100 points and how did frontier battles with native americans intensify american's anti-british feelings?

The Brittish supported the Native Americans by giving them land and weapons which were used against the Americans.
Hope I helped! 
(BTW this isn't 100 points, but whatever, liar.)

Britan sent more soldiers over charged the colonys for it and made them house and care for the men and in some places the forces took over the town and everywhere they went they help the strick beliefes and treatment that the colonials left britin to excape.