What was the primary reason the Soviets reacted so aggressively to reform attempts?

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

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 einstein write a letter to president roosevelt