purposefully injuring members of a group
confining a group in an unhealthy environment
sending adults to different countries to live
C. They were cities in Japan where the US dropped atomic bombs
Hiroshima
City in Japan, the first to be destroyed by an atomic bomb, on August 6, 1945. The bombing hastened the end of World War II.
Nagasaki
Japanese city devastated during World War II when the United States dropped the second atomic bomb on Aug 8th, 1945.
B, horse archers, is correct. The Mongols were able to develop saddles to stay put on their horses while they fought, allowing for more balance while attacking. This made it so they could shoot others while they rode.