(1 pt) why did truman decide to use the atomic bomb to end the war? a. to test the effects of an atomic bomb on a city b. to quickly end the war without an invasion c. to keep the russians from entering the war d. to show the world a new superweapon

B. Because an invasion of japan's mainland would have meant the loss of thousands of American lives, many analyst's discussed it and said between 500,000 - 1 million lives could have been lost during the invasion due to how dug in and defended Japan would have been. Including their miles and miles of underground tunnels

The answer is challenging and taxing because arduous means when something is hard and tiring and the excerpt provides clear detail why that's the answer