The united states fought a series of wars with the native americans called the plains indians wars. one of the last clashes happened in 1890 and was known as the

wounded knee massacre

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.

cherokee and arikara