Answer:
To stop the spread of communism.
Step-by-step explanation:
The U.S. government provide economic and military help to the French for their war in Indochina in order to stop the spread of communism in the region. Yes, if I was a policymaker in Washington, I have giving aid to the French because it is in favour of United States.
The main reasons of the U.S. concerned about the Soviet Union is the difference in ideology. The concerns of the U.S. about the situation in Asia is the maintenance of peace and avoid the spread of communism. The U.S. support for the French was a good idea because it defends the interests of United States.