Conversation so far:
When did USA get involved in the Vietnam War
On March 8, 1965, 3,500 United States Marines came ashore at Da Nang as the first wave of U.S. combat troops into South Vietnam.
Why did the USA get involved in the Vietnam War
The causes of the Vietnam War revolve around the simple belief held by America that communism was threatening to expand all over south-east Asia.

Question: How many civilian casualties as a result
Self-contained rewrite: How many civilian casualties as a result of the Vietnam War