The United States adopted a position of neutrality.
The United States adopted a position of neutrality.

It forced the United States to support the Viet Cong.
It forced the United States to support the Viet Cong.

Vietnamization became the new U.S. foreign policy.
Vietnamization became the new U.S. foreign policy.

It convinced the government that involvement in the war was necessary.

It convinced the government that involvement in the war was necessary.