49
Lesson 49 of 84 · U.S. History
The Spanish-American War
Westward expansion in the 1800s transformed the U.S. from an Atlantic nation to a Pacific one. The Oregon Trail, Gold Rush, and Homestead Act drove this movement.
Key Facts
1
Oral histories preserve community stories.
2
Primary sources come from the time of the event.
3
Historians use evidence to support claims.
Timeline
1941
The U.S. enters World War II
1945
World War II ends
1954
Brown v. Board of Education: school segregation declared unconstitutional
Check Your Understanding
Question 1
1 of 2What is an artifact?