Based on the clue 'a filly becomes a mare at this age', what is the answer?

Based on the clue 'a figure with 6 plane faces', what is the answer? Based on the clue 'a file of papers giving detailed information on a ...', what is the answer? Based on the clue 'a filet embellished with pate mushrooms beef', what is the answer? Based on the clue 'a filled tortilla its name is from spanish for a y...', what is the answer? Based on the clue 'a film about che guevaras youthful travels is call...', what is the answer? Based on the clue 'a film noir classic or a clause providing for paym...', what is the answer? Based on the clue 'a film of a transmitted television program', what is the answer? What is associated with: a film of this president reviewing troops was shot in pittsburgh on august 28 1899 he was shot…