Answer:
B. Soviet leader Mikhail Gorbachev attempted to expand his power and suppress reform.
Explanation:
Mikhail Gorbachev decided to allow elections and create a presidency. It slowly turned into democracy and so the communist control dissolved, contributing to the collapse of the Soviet Union.
Answer:
The Great Depression was the worst economic downturn in the history of the industrialized world, lasting from 1929 to 1939. By 1933, when the Great Depression reached its lowest point, some 15 million Americans were unemployed and nearly half the country's banks had failed.