Option (d), President James K. Polk backed the annexation of Texas and Oregon in 1844.
Polk wished for California and its majestic San Francisco Bay to serve as the United States' commerce gateway with China and other Asian countries, despite the fact that gold had not yet been found there. If the United States did not take action, other countries like England or France might take California, which alarmed Polk.
Polk is best remembered for enlarging the United States' territory through the Mexican-American War; under his administration, the country grew considerably as a result of the cession of the Republic of Texas, the Oregon Territory, as well as the Mexican Cession following American the war's victory.
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