Exam Weight

8–10%

What You Will Learn

IIn this unit, you will study how advances in technology, economic integration, and cultural exchange after 1900 reshaped the world into an increasingly interconnected global system. You will examine both the benefits and challenges of globalization and analyze how these changes affected societies, economies, and the environment on a global scale.

You will begin by examining how new technologies dramatically increased global connectivity and reduced the effects of geographic distance (Topic 9.1). Innovations such as the internet, cellular communication, air travel, and container shipping transformed how people, goods, and ideas moved across the world. At the same time, new energy technologies, including petroleum and nuclear power, increased industrial productivity and enabled the expansion of global economies.

Next, you will explore how technological advances affected population growth and human life (Topic 9.2). Medical innovations such as vaccines and antibiotics increased life expectancy and reduced mortality rates, while the Green Revolution increased food production to sustain a growing global population. At the same time, diseases continued to shape human societies, including persistent diseases linked to poverty such as malaria and tuberculosis, as well as new epidemics such as HIV/AIDS.

You will then analyze how technological advances led to new environmental challenges and debates (Topic 9.3). Increased industrialization, population growth, and resource consumption contributed to environmental degradation, including pollution, deforestation, and climate change. These developments sparked debates over environmental protection and economic growth, leading to global awareness and environmental movements.

After that, you will examine how globalization transformed economic systems (Topic 9.4). The expansion of global markets, multinational corporations, and international trade organizations increased economic interdependence. While globalization created new opportunities for economic growth and access to goods, it also contributed to economic inequality between and within nations.

You will then investigate how people responded to the social and economic consequences of globalization (Topic 9.5). Movements around the world challenged inequalities based on race, gender, class, and religion. Efforts such as civil rights movements, feminist movements, and environmental activism sought to expand political participation and promote social justice.

Next, you will explore how culture became increasingly globalized (Topic 9.6). Advances in communication and transportation allowed ideas, music, film, and consumer culture to spread across borders. Cultural forms such as reggae music, Bollywood films, and global sports events illustrate how cultures influenced one another while still maintaining distinct identities.

You will also examine how some groups resisted globalization (Topic 9.7). While globalization connected societies, it also led to cultural and economic concerns. Some groups opposed the spread of global consumer culture or protested the environmental and economic consequences of global integration.

After that, you will analyze how international organizations and institutions developed to manage global interactions (Topic 9.8). Institutions such as the United Nations, World Trade Organization, and International Monetary Fund played key roles in addressing global challenges, promoting economic cooperation, and managing international conflict.

Finally, you will evaluate patterns of continuity and change in the globalized world (Topic 9.9). You will consider how globalization both transformed and preserved existing social, economic, and political structures, and analyze the long-term impact of these developments on the modern world.

By the end of this unit, you will be able to explain how technological innovation, economic integration, and cultural exchange shaped the modern global system and analyze both the positive and negative consequences of globalization.

Skills You Will Practice (AP Exam Focus)

Explaining how technological innovations increased global connectivity and economic productivity

Analyzing the effects of medical and agricultural advances on population growth

Evaluating environmental consequences of industrialization and globalization

Comparing the benefits and challenges of global economic integration

Analyzing how social movements responded to inequality and globalization

Explaining how culture spreads and changes in a globalized world

Evaluating resistance to globalization and its causes

Writing complex arguments about continuity and change in the modern global system

Strengthening DBQ writing using evidence about technology, economics, culture, and global interactions

Why This Unit Matters

Unit 9 explains how the modern world became interconnected through globalization. Advances in technology, transportation, and communication allowed people, goods, and ideas to move across the world more quickly and efficiently than ever before. These changes created a global system in which economies, cultures, and political systems became increasingly linked.

Globalization has brought both opportunities and challenges. It has increased economic growth, improved access to information, and raised living standards in many regions. At the same time, it has contributed to environmental problems, economic inequality, and cultural tensions. Understanding these competing effects is essential for analyzing the modern world.

Many of today’s global issues—including climate change, economic inequality, migration, and international cooperation—are directly connected to the processes studied in this unit. The institutions, technologies, and cultural exchanges that developed after 1900 continue to shape global interactions today.

On the AP Exam, this unit requires you to analyze how globalization transformed economic systems, societies, and cultures while also recognizing patterns of continuity. You must be able to explain both the causes and consequences of global interconnectedness and evaluate different responses to these changes.

By the end of this unit, you should be able to clearly explain how globalization has reshaped the modern world and assess its lasting impact on global systems and human societies.