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.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

the answer to this question is the third option. hope this