Which of these fronts did the fighting occur during the revolutionary war?
a.) the northern front
b.) the southern front
c.) the western frontier
d.) the ocean front
e.) all of the above

"The northern front" is the front among the following choices given in the question where the fighting occurred during the Revolutionary War. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has come to your desired help.