What event involving the united states brought about the need or desire to begin an expansionist policy with regard to foreign affairs?

The correct answer is The Mexican war.

The Mexican war brought about the need or desire to begin an expansionist policy with regard to foreign affairs.

After the war, the U.S. considered that by the expansion of its territory, the nation could expand an inhabit new land and gain more presence internationally.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

do but i don't go there

explanation:

btw this is in middle school stuff lol