What event involving the United States brought about the need or desire to begin an expansionist policy with regard to foreign affairs

The correct option is: "the Mexican-American War"

Explanation:

It was the the Mexican-American War that brought about the need or desire to begin an expansionist policy with regard to foreign affairs, since the end of this war ceded a lot of new territory that was used by settlers moving west.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

the correct answer is ''the programs costs have risen dramatically in the recent past'' hope this !