Answer:
The battle of the Yalu River.
Explanation:
That is when they merged.
I hope this makes it eaiser.
Because they helped build more buildings is it stated to increase the industry
Answer:
In the years after World War II, the United States was guided generally by containment — the policy of keeping communism from spreading beyond the countries already under its influence. The policy applied to a world divided by the Cold War, a struggle between the United States and the Soviet Union.
Explanation: