Final answer:
The United States needed to gain land in order to reach its Manifest Destiny.
Step-by-step explanation:
The United States needed to gain land in order to reach its Manifest Destiny. Manifest Destiny was the belief that the United States was destined to expand its territory from the Atlantic to the Pacific Ocean. The acquisition of new territories like Texas, California, and Oregon through wars and negotiations allowed the United States to fulfill its goal of westward expansion.
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