Answer: A new sports car would be an example of something new, clean and cool.
Explanation: hope this helped :)
The correct answer is B. The United States assumed that they would be first into space, before the Soviets.
Explanation:
During the Cold War, there was a strong dispute between the United States and the Soviet Union to develop spatial technology and send rockets, satellites, and similar to the space. In this context, the U.S. leaders and scientists strongly believed the U.S. would be the first one into space because there had been huge advancements in this area. However, in 1957 the Soviet Union launched Sputnik 1, which was the first satellite in the space. Additionally, this unexpected victory of the Soviet Union caused a loss of confidence in the United States.
Well the use of trenches prolonged WWI because it was another kind of land warfare where most of the ground in which they were fighting consisted mostly trenches. These trenches protected them from most artillery and normal gun fire. So it was almost like a stalemate.
Yep they disagreed about wether or not slavery should be legal