What did president James K Polk support the US support the US acq?

President James K. Polk was a strong proponent of the United States acquiring more lands and expanding westward. He was a leader of the Democratic Party and held a strong belief in Manifest Destiny. To further this belief, he supported the US acquisition of several territories, including:

• Oregon Territory
• Texas
• California
• New Mexico
• Arizona
• Utah
• Most of Nevada
• Large parts of Wyoming and Colorado

Polk's support of the US's acquisition of these territories was instrumental in the expansion of the country and its growth into the superpower it is today.