I believe the answer is the second option.
It was "Mikhail Gorbachev" who was <span>known as a reformer and initiated radical new reform policies, setting the stage for the dissolution of the Soviet Union. </span>
Answer:
A. the United states and the Soviet union became the world's two most powerful states leading to global struggle between democracy and communism,
Explanation:
The control of Western Europe by liberal democracies, and of Eastern Europe by the Soviet Union served to what was later be known as the Cold War. Before the end of World War II, plainly another contention was emerging, and was the way that the political and capitalist United States and communist USSR were inconsistent. Stalin, on his hand, needed to make a communist-friendly domain from the start Eastern Europe, while the allies held up the regions through Western Europe.
They got taken over by Germany.
The territorial expansion of the US and the question of whether or not slavery would be allowed in the new territories was perhaps the single greatest factor leading up to the war, since before expansion, slavery was mostly confined to the South.