Europe mostly
north america
south america too
Soviet Union DID NOT join, it started the Warsaw pack
I believe the answer is E
Hope this helps!
The economy you described in your question is called a market economy. It has free markets and the production of goods and services are determined by the consumers.
The Chinese decided to enter the Korean War on November 25-26, 1950. This was an enormous shock to the American forces, as well as to the United Nations. The United States, and in particular U.S. Gen. Douglas MacArthur, believed that the Chinese would not openly enter the war. When China did provide support to North Korea, the effect was catastrophic on the American forces, leading to a great expansion of the conflict.