Answer:
A, because Union leagues was formed in 1861, Ku Klux Clan was formed by ex confederate soldiers, and racists, and the Democratic Party was formed in the 1840s-1850s
Explanation:
The US gained possession of Guam, Cuba, Puerto Rico and the Phillipines.
They all settled near rivers, all had religions, and languages.
The Japs bombed pearl harbor causing the US to join the war and having o fight with the Japs in the Pacific