The reason for dropping the first atomic bomb on hiroshima was to a.)completely destroy japan's navy b.)force emperor hirohito to resign c.)cause japan to surrender d.)get revenge for the bombing of pearl harbor

C Is the correct option.

Explanation:

The reason behind dropping the atomic bombs on japan was to seek Japanese surrender. The Surrender of japan was officially signed on September 2,1945. Britain, US and china had asked for unconditional surrender of Japan in the Postdam declaration. But Japanese forces were still continuing the fight ,The supreme council for the direction of the War were in talk with soviet union to make the peace terms more favorable to the Japanese. The US bombed Hiroshima on 6th August asking for Unconditional surrender of Japan. But when Japanese forces didn't surrender ,The US dropped the second bomb on Nagasaki. It was after the detonation of second bomb that  the Emperor Hirohito ordered the Supreme Council for the Direction of the war to accept terms of postdam declaration.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.

c. it required that townships set aside land for public schools.