Which two men led an attack against the city of Quebec?

Allen

Arnold

Montgomery

Prescott

The two leaders of the attack against the city of Quebec were:

Arnold Montgomery

The Battle of Quebec took place in 1775, in the beginning of the American Revolutionary War, between the American Continental Army and the British forces that were defending the city of Quebec. It was the first big defeat suffered by the Americans, with heavy losses. Of the American leaders, General Montgomery died and Arnold was only wounded.

After the defeat, the Americans retreated to the South and there were no more attempts from their side to involve the Canadian population on the revolutionary war.