the answer is mississippi river.
the second westward happened before the revolutionary war. the americans started crossing the appalachian mountains in order to get into the ohio valley. the leader was daniel boone. he led his people to the kentucky country and after the war the families settled the territory. the united states settled westward to the mississippi river.
the republican party today is considered the more conservative party and democrats tend to support plans that are more liberal. the candidates that run under these parties don't often win elections but do sometimes affect their outcomes by increasing or taking support away from a candidate from one of the main parties.
mark brainliest : )
its so obvious. its 999 obviously.