Which war was most costly in terms of the number of U.S. soldiers who lost their lives?
a. Korean War
b. Vietnam War
c. Persian Gulf War
d. Kosovo War
e. Iraq War
Answer: b
Which war was most costly in terms of the number of U.S. soldiers who lost their lives?
a. Korean War
b. Vietnam War
c. Persian Gulf War
d. Kosovo War
e. Iraq War
Answer: b