The correct answer is B) It resulted in the United States and Soviet Union developing into the world's most powerful states.
The US and Soviet Union developed into two very different superpowers after World War II. On one hand, the Soviet Union was a communist state in which the government had significant control of the economy, media, etc. However, the US wanted to spread the ideas of capitalism and democracy around the world. These compeltely different perspectives on how the world should look after World War II resulted in significant controversy between the two countries.
"D. It proved that black troops could fight bravely and well" is true about the 54th Massachusetts Regiment, which saw extensive action during the Civil War.
