The correct answers are:
1. Features a V-shaped black granite wall
2. Includes the names of the more than 58,000 Americans who died or remain missing
3. Is the most visited memorial in Washington, D.C.
4. Features the Three Servicemen statue and the Vietnam Women's Memorial statue.
All of these options are correct. The Vietnam Veterans Memorial in Washington D.C., also known as "The Wall," features a black granite wall inscribed with the names of more than 58,000 Americans who died or remain missing in the Vietnam War. It is the most visited memorial in Washington D.C. and includes two additional statues: the Three Servicemen statue, which depicts three armed service members, and the Vietnam Women's Memorial statue, which honors the women who served in the Vietnam War.