Answer the qustion plz! why did the president truman decide to drop the atomic bomb on hiroshima and nagasaki? a. to demonstrte u. s. power. b. to eliminate the japanese army headquarters. c. to end the war in the pacific quickly. d. to test the effectiveness of the atomic bomb.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.