The correct answer is A) A rise in nativism and the Great Migration.
The Ku Klux Klan is a group that fully believes in the idea of white supremacy. The KKK was formed during the era of Reconstruction as a way to express anger against African-American citizens and other individuals who were not white and members of the Protestant church. This groups power increased, especially in the North, when there was a huge influx of immigrants coming to the US during the early 20th century.
Adolf Hitler admired how Mussolini ran his country. that's another reason why they were close friends
The answer is D because astrophysical theory because that relates to astronomy. The other three are something the geologists can use to help them find out about the past. Hope this helped
