Answer:
The French Revolution and the American Revolution
Explanation:
hope this helps
The project D. Building the Transcontinental I believe is the one that led to the creation of a system of time zones across America
Answer:
A census; had an accurate account of the number of people that lived in the states.
Explanation:
I don’t know if this is what your book is wanting but this is all I could find.
Hope this helps!
I'm pretty sure it is the Harlem Renaissance