President theodore roosevelt’s “speak softly and carry a big stick” foreign policy was based on
intimidation and punishment.
intimidation and invasion.
diplomacy and influence.
diplomacy and annexation.

the answers are 1 and 4

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.