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.

pepin the short[a] (german: pippin der kurze, french: pépin le bref, c. 714 – 24 september 768) was the king of the franks from 751 until his death. he was the first of the carolingians to become king.[b][2]

the younger son of the frankish prince charles martel and his wife rotrude, pepin's upbringing was distinguished by the ecclesiastical education he had received from the monks of st. denis. succeeding his father as the mayor of the palace in 741, pepin reigned over francia jointly with his elder brother carloman. pepin ruled in neustria, burgundy, and provence, while his brother carloman established himself in austrasia, alemannia and thuringia. the brothers were active in suppressing revolts led by the bavarians, aquitanians, saxons, and the alemanni in the early years of their reign. in 743, they ended the frankish interregnum by choosing childeric iii, who was to be the last merovingian monarch, as figurehead king of the franks.

answer; william penn's approach made the colony diverse by attracting many types of people and religions;