Answer:
A) thought that it would lead to less deaths than a land invasion.
Step-by-step explanation:
In mid-July, President Harry S Truman was informed of the fruitful trial of the nuclear bomb.
Thousands of long periods of innovative work just as billions of dollars had added to its creation. This was no hypothetical research venture. It was made to annihilate and murder on a gigantic scale without the risk of US casualties. As president, it was Harry Truman's choice if the weapon would be utilized with the objective to end the war.