When Harry S Truman made the decision to use the atomic bomb what position did he hold

He was the President.

Explanation:

This was no theoretical research project. It was created to destroy and kill on a massive scale. As president, it was Harry Truman's decision if the weapon would be used with the goal to end the war.

accomplishment : zachary taylor’s was a national war hero in his battle in an mexican war

explanation:

he was known as a national war hero for his battles in the mexican war, taylor was elected as the 12th president of the united states in 1849. he led the nation during its debates on slavery and southern secession. after serving only 16 months in office, taylor died from cholera morbus on july 9,