ASAP Which of the following is true regarding the reasons why the U.S. became involved in Vietnam?
Select one:
a. The Vietnamese government sent warships to Charleston Harbor.
b. The Soviet Union asked for U.S. support to put down the South Vietnamese forces.
c. The leaders of the U.S. believed that if Vietnam became communist, it would lead to many other countries turning communist.
d. There were many WWII prisoners of war held in Vietnam.