What is the name of the system of social classes in existence in india since around 1500 b. c

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery, what does that mean and did cornado follow his orders

Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.

Why did federalists fear the louisiana purchase? what did they think would happen?