B. The frustration of debtors and the failure of the articles of confederation.
The son's of liberty was a secret society who opposed the stamp act and wanted to protect rights of the colonists. After the French and Indian War the British taxed the colonists but they felt that it violated their rights as citizens. "No taxation without representation" I don't know who funded them.. sorry.
The Atomic bomb was correctly seen as such a jump forward in modern weaponry that it would end the war with the holder of the weapon being the ultimate victory.
This proved to be true as the dominant powers after the War were the two nations that had the weapons (US and Soviet Union).
a is the answer (at least that's what i believe)