Correct answer choice is:
<span>A. The Soviet system of government did not allow its people to choose their own leaders, which the United States thought was wrong.
</span> The United States and the Soviet Union became rivals after World War II because of the factor of trust between two nations. They didn't trust each other and tried to let down each other and the cold war started. It was the time of <span>competition and confrontation between them. The conflict was so serious that there was a threat of nuclear war, which could have led to extreme consequences.</span>
The gross domestic product measures the value of economic activity within a country.
The abolitionist movement was very powerful in the North, since the North did not rely heavily on a slave population and because slavery had long-since been depleted in the region.
