1.) What group was Caesar a part of prior to founding Caesars Legion?
Followers of The Apocalypse
2.) Who did Marcus say he sided with, And what location did Marcus travel to after they split?
Master Army, Jacobstown
3.) What Cut-Game did Caesar's Legion come from?
Van Buren
4.) What group was Arcade Gannon sided with in the Cut-Game mentioned above?
Enclave
5.) What was hoover dam originally inhabited by?
Trogss
6.) What place did Mr. House live at prior to the war? (You can go there in this game.)
H&H Tool Company
7.) What is the Crashed Highwayman a throwback to?
N/A
8.) What is Novac's sign supposed to spell?
NOVACancy
9.) What is That Gun a reference to?
The guns from FO1 and FO2
10.) Who is Cass a reference to?
Cassidy from Fallout 2
EDIT: Almost all correct

Well, The one with marcus has five possible answers.