15
Lesson 15 of 84 · U.S. History
Immigration in the Late 1800s
The Declaration of Independence, adopted July 4, 1776, announced freedom from British rule. Thomas Jefferson wrote that all people have rights to life, liberty, and the pursuit of happiness.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Check Your Understanding
Question 1
1 of 2Which is a secondary source?