USA HISTORY

Detailed explanation-1: -He advocated for annexation of Texas and aggressively prosecuted the resulting Mexican-American War, which added much of the Southwest and California to the country’s territory. In addition, he acquired the Oregon country through a treaty with Great Britain.

Detailed explanation-2: -He failed to understand the depth of popular emotion over the westward expansion of the South’s “peculiar institution.” This failure on his part left the issue of slavery unaddressed and thus unresolved at the end of his term in 1849.

Detailed explanation-3: -Battle of Buena Vista. Zachary Taylor’s victory ended the war in northern Mexico. Veracruz occupied. Presidential tour.

Detailed explanation-4: -As President he oversaw the largest territorial expansion in American history-over a million square miles of land-acquired through a treaty with England and war with Mexico. At the end of his single term, Polk had literally reshaped the nation, fulfilling the American spirit of manifest destiny.