Answer:
The USA-USSR alliance had broken down by 1947 are discussed below.
Step-by-step explanation:
The USA-USSR alliance had broken down by 1947 because of many key facts such as:
- Difference in Ideologies United states follows Democracy while on the other hand USSR followed Communism.
- Suspicious Russian intention.
- The Communist government in Eastern Europe.
- The emerging threat of the Nuclear bomb.