The correct answer is C.
After constant fighting with Japan, Truman was left with the option of the atomic bomb. This is what caused the war to end. Many debates went into whether or not the atomic bomb should be used and it ended up being the course of action that was taken.
I hope this helps! :)
Plate tectonics is what you are referring to?
The answer is foreign affairs, treasury, war, <span>attorney general</span>
