Answer:
In the early twentyith century alot of immigration caused a mass boost in population in the united states.
To give the states an option on slavery
Answer:
The massive dust storms caused farmers to lose their livelihoods and their homes. Deflation from the Depression aggravated the plight of Dust Bowl farmers. Prices for the crops they could grow fell below subsistence levels. In 1932, the federal government sent aid to the drought-affected states.
Explanation:
The assassination of Archduke Franz Ferdinand
