from the given question answer B is right
If something happened in ancient Egypt it would’ve happened in around 3100 BC to around 332 BC.
It was primarily the "b. formation of the Vietcong in Vietnam" that led the Truman administration to expand the containment doctrine to include Asia, since this was seen as a threat to democratic principles in the west as well.
United States House Select Committee on Associations and Louise Steven Witt was associated with it.
Aggressive talk between the United States and the Soviet Union intensified
