What caused relations between the United States and the Soviet Union to begin to change in the early 1980s? Select two answers.

B. Leonid Brezhnev died.

C. Ronald Reagan became president.

Explanation:

But the two events that caused relations between the U.S and the USSR to begin to change in the early 1980's were that Leonid Brezhnev died and Ronald Reagan became president.

explanation:

hi

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.