Final answer:
Two scenarios of U.S. expansion include the acquisition of Texas and Oregon in the mid-1840s and the acquisition of territories in the Southwest, including California, as a result of the war with Mexico.
Step-by-step explanation:
Two scenarios of U.S. expansion include the acquisition of Texas and Oregon in the mid-1840s and the acquisition of territories in the Southwest, including California, as a result of the war with Mexico.
The expansionist movement in the United States, known as manifest destiny, justified these acquisitions and portrayed them as inevitable and divinely appointed. These expansions contributed to the completion of the continental United States and led to the United States becoming the world's largest economy.