▁became ▁public ▁just ▁after ▁a ▁peace ▁treat y ▁was ▁signed ▁with ▁Britain , ▁there ▁was ▁a ▁longer - term ▁back l ash ▁against ▁the ▁Federal ist ▁Party , ▁which ▁became ▁associated ▁with ▁se cess ion ▁and ▁tre ason . ▁ ▁The ▁party ▁never ▁reg ained ▁national ▁pre domin ance , ▁field ing ▁its ▁last ▁President ial ▁candidate ▁in ▁ 1 8 1 6 ▁and ▁f ading ▁away ▁entirely ▁by ▁the ▁end ▁of ▁the ▁ 1 8 2 0 s . ▁ ▁Leg acy ▁▁ ▁The ▁War ▁of ▁ 1 8 1 2 ▁was ▁the ▁first ▁war ▁declared ▁by ▁the ▁United ▁States , ▁like ▁the ▁U . S ., ▁and ▁so ▁some ▁histor ians ▁see ▁it ▁as ▁the ▁first ▁to ▁develop ▁w ides p read ▁anti war ▁sentiment . ▁ ▁( However , ▁there ▁was ▁also ▁anti - war ▁sentiment ▁during ▁the ▁Qu asi - W ar ▁and ▁the ▁First ▁Barb ary ▁War .) ▁ ▁There ▁is ▁little ▁direct ▁continu ity ▁between ▁the ▁oppon ents ▁of ▁the ▁War ▁of ▁ 1 8 1 2 ▁and ▁later ▁anti war ▁movements , ▁as ▁the ▁Federal ist ▁party ' s ▁ob jections ▁wer en ' t ▁based ▁on ▁pac if ism , ▁and ▁as ▁this ▁same ▁" anti war " ▁party ▁effect ually ▁disappeared ▁soon ▁after ▁peace ▁was ▁concluded . ▁ ▁The ▁end ▁of ▁the ▁war ▁also ▁influenced ▁the ▁growing ▁un pop ular ity ▁of ▁the ▁Federal ist ▁party , ▁as ▁The ▁Hart ford ▁Convention ▁was ▁quickly ▁condem ned ▁by ▁Republic ans , ▁especially ▁in ▁light ▁of