The answer to your question is,
shipbuilding
-Mabel <3
They were used to increase mobility
Answer:
the cold war was simply put a threat between the U.S. and U.S.S.R to nuke each other if the other messed up. it was also a big arms race where each side was trying to make better and more powerful weapon and technology
the U.S.S.R. was also trying to convert more countries to become communist while the U.S. was trying to stop them from doing that.
Explanation:
