The cold war started because the United States feared the Soviet Union was trying to control the world. There wasn't an actual war but there was lots of tension and fear of nuclear war.
The answer is A. Drove production costs up. It drove production costs down, because they were able to take less time to make the products as well as less materials because 1) standardized parts were invented around the same time, and 2) they didn't have people preparing everything so materials weren't wasted.
I’m sure the answer should be A. gold and salt
Answer:
Russia
Explanation:
most economic developed country
