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Lesson 55 of 84 · World History
World War I: The Great War
The Civil Rights Movement of the 1950s and 1960s fought to end racial segregation. Leaders like Martin Luther King Jr. used nonviolent protest to demand equality and justice.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Timeline
1969
Astronauts land on the Moon
1989
The Berlin Wall falls
2001
September 11 attacks change U.S. security policy
Check Your Understanding
Question 1
1 of 2Which is a secondary source?