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Lesson 13 of 84 · U.S. History
Reconstruction
The Columbian Exchange transferred plants, animals, diseases, and ideas between the Americas and Europe after 1492. Potatoes went to Europe; horses and wheat came to the Americas.
Key Facts
1
Historians use evidence to support claims.
2
Timelines show events in order.
3
Cause and effect explain why things happen.
Timeline
1954
Brown v. Board of Education: school segregation declared unconstitutional
1963
Martin Luther King Jr. gives the 'I Have a Dream' speech
1964
The Civil Rights Act is signed
Check Your Understanding
Question 1
1 of 2Why do we study history?