Final answer:
The United States withdrew from Vietnam, and the countries later reunited under a communist government.
Step-by-step explanation:
The most accurate statement to describe the outcome of the Vietnam War is: The United States withdrew from Vietnam, and the countries later reunited under a communist government.
After years of military involvement, the United States gradually withdrew its forces from Vietnam in the early 1970s. As the U.S. forces left, North Vietnam's communist forces gained control, ultimately leading to the reunification of Vietnam under a communist government.
Learn more about Outcome of the Vietnam War