How did militiamen let down the us troops during the invasion of canada in the war of 1812? a: the militiamen refused to go to battle after hearing a rumor about britain's savage american indian allies b: the militiamen refused to get involved in the conquest of canada since they held federalist beliefs about the war. c: the militiamen refused to combine strengths with the us army, preferring to launch a three-pronged attack instead. d: the militiamen refused to cross the border into canada since their military contract did not require them to do so.