The answer is D. A Supreme court Decision to move the Cherokee west of the Mississippi River. Here is text from Wikipedia,
"Indian removal was a genocide in the 19th century whereby Native Americans were forced by the United States government to leave their ancestral homelands in the eastern United States to lands west of the Mississippi River, specifically to a designated Indian Territory (roughly, modern Oklahoma)."
It is frist one, A because the unemployment
It made settlement and transportation faster.
Answer: The Cold War became a dominant influence on many aspects of American society for much of the second half of the 20th century. It escalated due to antagonist values between the United States, representing capitalism and democracy, and the Soviet Union, representing communism and authoritarianism.
