#AP US History Study Guide: 1890-1945 🚀

Hey there! Let's get you prepped and confident for your AP US History exam. This guide is designed to be your go-to resource for the period between 1890 and 1945, focusing on the key themes and trends you need to know. Let's dive in!

#1. Economic Transformation 💰

#1.1. Rise of the US Economy

Key Concept

The US economy experienced massive growth, becoming the world's largest by the 1920s. This was fueled by industrialization and urbanization.

- **GDP Growth:** The US became a major global importer and exporter. - **Post-WWI Boom:** US economic dominance peaked post-WWII due to war production. - **Urbanization:** More people moved to cities, driving industrial growth and changing social structures. - **Industrialization:** Factories boomed, leading to mass production and a consumer culture.

#1.2. Challenges and Responses

Progressive Era: Reformers tried to fix the problems caused by industrialization.
The Great Depression: A major economic downturn that challenged the US and led to new government solutions.

#2. Technological and Cultural Shifts 🚗📻

#2.1. Technological Advancements

Key Concept

New technologies like automobiles and radios transformed American culture and accelerated the creation of a national identity.

- **Consumer Culture:** The US shifted towards mass consumption, with more goods being bought than made at home. - **Automobiles:** The car revolutionized transportation and led to suburban growth. - **Radios:** Created a shared national culture through mass communication.

The Ford Model T, a symbol of early 20th-century mass production.

#2.2. Migration Patterns

Suburbanization: People moved from cities to suburbs, facilitated by cars.
Westward and Southward Migration: Internal migration within the US, especially towards the West Coast.
Immigration: Increased immigration from China, Japan, and Eastern Europe.

The Early 20th Century (1890-1945)

Joseph Brown