70
Lesson 70 of 84 · History
Famous Speeches That Shaped History
Ancient Egypt flourished along the Nile for over 3,000 years. Egyptians built the pyramids, developed hieroglyphic writing, and made advances in medicine, math, and architecture.
Key Facts
1
Timelines show events in order.
2
Cause and effect explain why things happen.
3
Oral histories preserve community stories.
Timeline
1869
The Transcontinental Railroad is completed
1920
Women gain the right to vote (19th Amendment)
1929
The Great Depression begins
Check Your Understanding
Question 1
1 of 2Which is a secondary source?