13
Lesson 13 of 84 · American Revolution Compare
The Battle of Yorktown
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
1945
World War II ends
1954
Brown v. Board of Education: school segregation declared unconstitutional
1963
Martin Luther King Jr. gives the 'I Have a Dream' speech
Check Your Understanding
Question 1
1 of 2Why do we study history?