Which of these had the greatest impact in the u. s fulfilling it's manifest destiny

American expansion to the west that was destined to stretch from coast to coast. American culture was changed during Manifest Destiny because when the Americans came in to Texas to take their land. The Americans were upset with the Texan's culture, so they tried to change it. This caused Mexico to attack the Americans.

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation: