Answer:
Step-by-step explanation:
Mostly involved California goes into The Gold Rush.
An ecological disater goes into The Dust Bowl.
People left the rural South goes into The Great Migration.
People left the Great Plains region goes into The Dust Bowl.
Drought and poor farming techiques goes into The Dust Bowl.
An African-American experience goes into The Great Migration.
Began in the mid-19th century goes into The Gold Rush
Began in the 1910s goes into The Great Migration.
Mostly in the 1930s goes into The Dust Bowl