This was the code name for the atomic bomb dropped on hiroshima in world war ii.

This was the code name for the atomic bomb dropped on Hiroshima in World War II.

"Little Boy"

This was the effort during WWII to develop the first nuclear weapons of the United States in collaboration with the U.K. and Canada.

Manhattan Project

The name of the B-29 Superfortress airplane piloted by Col. Paul Tibbetts that became the first aircraft to drop an atomic bomb as a weapon of war in August 1945.

"Enola Gay"

This is the Japanese city that was the first to be subjected to nuclear warfare to bring about the end of WWII.

Hiroshima

This is the name of the second city to be attacked with an atomic weapon during World War II.

Nagasaki

b) the confederacy had to pay all union war expenses.