The use of Jim crow laws to separate African Americans from Southern whites was called segregation.
The answer for this question A. Thank you for your question.
The government controlled the economy
Answer: The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico.