What is the prepositional phrase in the sentences "Happily, we hoisted our heavy backpacks onto our backs and set out on the long rocky trail that led homeward." and "The cold brook bubbled merrily as it tumbled over the smooth gray stones." please hurry.

Geoffrey is writing a paper investigating friendly-fire incidents in recent us military actions. which paragraph topic would be relevant to his paper and would therefore merit inclusion in his final draft? a) a paragraph criticizing us military actions in the viet nam war b) a paragraph discussing how friendly-fire incidents are investigated c) a paragraph describing what basic boot camp is like for a new army enlistee eliminate d) a paragraph discussing how hard an extended military service can be on a family