ss-2018:MODERN_WORLD_HISTORY:25ss-2018:MODERN_WORLD_HISTORY:26
ss-2018:MODERN_WORLD_HISTORY:25 Emerging economic powers and improvements in technology have created a more interdependent global economy.
ss-2018:MODERN_WORLD_HISTORY:26 Proliferation of nuclear weapons has created a challenge to world peace.
Learning goal: Explain how emerging economic powers and improvements in technology have created a more interdependent global economy, and explain how the proliferation of nuclear weapons has created a challenge to world peace.
Interdependence and globalization. Economies are interdependent when what happens in one strongly affects others because they rely on each other for goods, capital, labor, energy and markets. Globalization is the process by which trade, investment, information and people flow increasingly across borders. It is not new—the 1800s saw a first wave of global trade—but since about 1980 it has intensified.
Emerging economic powers. An emerging economy is one moving from lower incomes toward industrial and service production, often growing faster than older industrial economies. China is the largest example. After 1978, under Deng Xiaoping, China began market reforms: farmers could sell surplus crops, special economic zones welcomed foreign investment, and private businesses grew, while the Communist Party kept political control. China joined the World Trade Organization in 2001 and became a leading manufacturing and exporting nation; hundreds of millions of people rose out of extreme poverty over the following decades. India began major economic liberalization in 1991, reducing licences and trade barriers, and grew into a center for information-technology services and pharmaceuticals. Brazil, South Korea, Mexico, Indonesia and others also expanded their roles; South Korea transformed from a poor country after the Korean War into a high-income industrial economy. The term "BRICS" (Brazil, Russia, India, China, later South Africa) came into use for a group of large emerging economies, which began holding summits in 2009. As these economies grew, the share of world production located outside Western Europe, North America and Japan increased.
Improvements in technology. Technology lowered the cost of distance. Standardized shipping containers, adopted widely from the 1960s, made loading ships far faster and cheaper. Jet aircraft moved people and high-value goods quickly. Personal computers, satellites, fiber-optic cables, the internet (opened to wide public and commercial use in the 1990s) and mobile phones let firms coordinate production across continents in real time. The result is global supply chains: a single product, such as a smartphone or a car, may be designed in one country, use parts and minerals from many others, be assembled in another and sold worldwide.
Institutions and agreements. Rules and institutions encouraged trade: the General Agreement on Tariffs and Trade (1947) and its successor, the World Trade Organization (1995); regional agreements such as the European Union, created by the Maastricht Treaty (signed 1992, in force 1993), with its single market free of internal trade barriers and its common currency, the euro (introduced for electronic transactions in 1999 and as cash in 2002); and the North American Free Trade Agreement (1994), replaced in 2020 by the United States–Mexico–Canada Agreement.
Evidence of interdependence—and its risks. Interdependence has brought cheaper goods, new jobs in emerging economies and wider choice. It also transmits shocks. The 2008 financial crisis began in the U.S. housing and banking system and spread to banks, trade and jobs around the world. The COVID-19 pandemic from 2020 disrupted supply chains, causing shortages of goods from medical supplies to computer chips. Workers in some older industrial regions lost jobs as production moved, fueling political debate about trade. Whether globalization will deepen or partly reverse is being debated now, and students should treat it as ongoing.
Nuclear proliferation. Proliferation means the spread of nuclear weapons to more states (horizontal proliferation) or the growth of existing arsenals (vertical proliferation). The United States built the first bomb in 1945; the Soviet Union tested in 1949, Britain in 1952, France in 1960 and China in 1964. The Treaty on the Non-Proliferation of Nuclear Weapons (NPT), opened for signature in 1968 and in force from 1970, commits the non-nuclear-weapon states that join not to acquire nuclear weapons and to accept inspections (safeguards) by the International Atomic Energy Agency, commits the five recognized nuclear-weapon states not to help others acquire them, commits all parties to negotiate in good faith toward nuclear disarmament, and supports peaceful nuclear energy. Proliferation continued outside the treaty: India tested a device in 1974 and weapons in 1998; Pakistan tested in 1998; North Korea, which announced its withdrawal from the NPT in 2003, conducted its first nuclear test in 2006; Israel is widely believed to have nuclear weapons but neither confirms nor denies it. Iran's nuclear program has been the subject of sanctions and of a 2015 agreement from which the United States withdrew in 2018; the issue remains unresolved. Some states gave weapons up: South Africa dismantled its small arsenal around 1990–1991, and Ukraine, Belarus and Kazakhstan transferred Soviet weapons to Russia.
Why proliferation challenges world peace. Each new nuclear state adds a possible path to catastrophic war through miscalculation, accident or escalation in a regional conflict, as in tensions between India and Pakistan. Proliferation can prompt neighbors to seek their own weapons. Weapons or materials could be stolen or sold to terrorist groups. Some argue that nuclear deterrence has prevented great-power war since 1945; that is an interpretation, debated, and it depends on deterrence never failing.
Worked model: tracing a chain of interdependence. A factory in one country stops producing a key microchip during a pandemic → carmakers in several other countries cannot finish vehicles → car sales and jobs fall far from the factory. The chain shows interdependence: technology made distant production possible, and emerging economies hosted it, so disruption in one place spread everywhere.
Worked supply-chain example (hypothetical): A bicycle sold in Ohio has a frame welded in Taiwan, gears made in Japan, tires from Thailand using rubber from Malaysia, and is designed in the United States. Question: what would happen if shipping costs tripled? Solution: higher costs would push the bicycle's price up unless firms absorbed them or changed suppliers, some production might move closer to buyers, and workers in several countries would be affected. This is interdependence: a change in one link affects all the others. (The bicycle is a hypothetical example; the pattern is typical of global supply chains.)
Worked explanation of China's rise: Link reforms and technology to interdependence. Solution: market reforms from 1978 and foreign investment in special economic zones built manufacturing capacity; container shipping and communications technology let foreign firms coordinate production there; WTO membership in 2001 reduced trade barriers. China became a major supplier to world markets and a major buyer of raw materials, so its growth and any slowdown now affect producers from Australia to Brazil.
Worked proliferation timeline: Order the first tests: China, France, United States, India, Soviet Union, Britain, Pakistan, North Korea. Solution: United States 1945, Soviet Union 1949, Britain 1952, France 1960, China 1964, India 1974, Pakistan 1998, North Korea 2006. The first five are the nuclear-weapon states recognized by the NPT, because they tested before 1 January 1967, the treaty's cut-off date.
Interdependence map: Trace one everyday product you own. Using its label and a general reference source, list the countries likely involved in its design, materials, assembly and sale, and draw arrows between them. Add one technology that makes each link possible and one risk if that link breaks.
Independent performance: Write a 400-word explanation answering "Has the world become safer or more dangerous since the end of the Cold War?" using economic interdependence and nuclear proliferation as your two lines of evidence. Success criteria: a qualified thesis; at least two emerging economic powers with the reforms that drove their growth; at least two technologies that increased interdependence; one example of a shock spreading through the global economy; the NPT explained accurately; at least three states that first tested a nuclear device after 1964, with the test dates (a first test is the date this lesson gives; it is not always the date a state had usable weapons); and the deterrence argument labeled as an interpretation.
An adult may read the prompts aloud. Answer independently with words, objects, drawings or a demonstration before opening the answer guide. Award 1 point for a correct result or claim and 1 point for a matching explanation or demonstration; where a question asks only for a result (a corrected sentence, a spelling, a count), a fully correct result earns both points, and the answer guide shows what a complete response contains. Record prompting separately. The total (two points per question) is local practice feedback, not an Ohio proficiency level.
What does it mean to say the global economy is interdependent?
Countries rely on each other for goods, parts, capital, energy and markets, so events in one economy strongly affect others—for example, a financial crisis or a factory shutdown in one country can cause shortages, price rises or job losses elsewhere.
How did China become an emerging economic power, and how did that increase interdependence?
Deng Xiaoping's market reforms from 1978, special economic zones for foreign investment and WTO membership in 2001 made China a leading manufacturer and exporter; it also became a major buyer of raw materials, so producers and consumers worldwide depend on its economy.
Name three improvements in technology that created a more interdependent global economy and explain one.
Container shipping, jet aircraft, and computers and the internet. Standard containers, widely adopted from the 1960s, made loading and shipping goods far cheaper and faster, which made it profitable to produce parts in distant countries.
How did the 2008 financial crisis demonstrate interdependence?
It began in the U.S. housing and banking system but spread through linked financial markets and trade to banks, businesses and jobs around the world.
What is the NPT, and what are its main commitments?
The Treaty on the Non-Proliferation of Nuclear Weapons, opened in 1968 and in force in 1970. Non-nuclear-weapon states that join agree not to acquire nuclear weapons and to accept IAEA inspections; the five recognized nuclear-weapon states agree not to help others acquire them; all parties agree to negotiate toward disarmament; and all may use nuclear energy peacefully.
Give three examples of proliferation after 1964 and explain why proliferation challenges world peace.
India (test 1974, weapons tests 1998), Pakistan (1998) and North Korea (2006). Each new nuclear state increases the chance of catastrophic war through miscalculation, accident or regional escalation, can prompt neighbors to seek weapons, and adds risk that weapons or materials reach terrorists.
Give an example of a state that gave up nuclear weapons and explain why such cases matter.
South Africa dismantled its arsenal around 1990–1991; Ukraine, Belarus and Kazakhstan transferred Soviet weapons to Russia. They show that proliferation can be reversed by political decision and international agreement.
Why should the claim that nuclear deterrence has kept the peace be labeled an interpretation?
It is an argument about why something did not happen—great-power war since 1945—which cannot be directly proven, and other factors may explain the peace; it also depends on deterrence never failing, which critics say is a dangerous assumption.