Two European empires were dismantled.
Answer:
I don't know but can I geI your snap;)
Answer: it dropped almost by 10%
Explanation:
America's involvement in World War II had a significant impact on the economy and workforce of the United States. Our involvement in the war soon changed that rate. American factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%.
Answer:
It gave citizenship to former slaves after the civil war, as well as their posterity.
Explanation:
It says that everyone who was born in the US is given a free citizenship, which included the African Americans.