Select all that apply.

the vietnam veterans memorial

1. is the least visited memorial in washington, d. c.
2. was dedicated on veterans day 1982
3. is the most visited memorial in washington, d. c.
4. is located on the prestigious national mall

The correct answers are 2, 3 and 4. The Vietnam Veterans Memorial was dedicated on Veterans Day of 1982, is the most visited memorial in Washington DC, and is located on the prestigious National Mall.

Explanation:

The Vietnam Veterans Memorial is a national monument located in Washington DC, that honors the members of the United States Armed Forces who served in the Vietnam War. It consists of 3 separate parts: the Statue of the Three Soldiers, the Vietnam's Women Memorial and the Vietnam Veterans Memorial Wall, which is the best known part of this monument.

The main part was dedicated on Veterans Day in 1982 and is located in the Constitution Gardens, within the National Mall.

yellow fever and other tropical diseases

i'd assume india mainly because of how isolated japan was.   plus it is a whole china away.