Polk is chiefly known for extending the territory of the United States through the Mexican–American WarMexican–American WarThe Mexican–American War, also known in the United States as the Mexican War and in Mexico as the Intervención estadounidense en México (United States intervention in Mexico), was an armed conflict between the United States and Mexico from 1846 to 1848.

What was the impact of James K Polk?

James K. Polk oversaw a large territorial expansion of the United States. 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.

How did James K Polk contributed to the idea of manifest?

James K. Polk’s first State of the Union Address, on 2 December 1845, promoted the concept that the US should encompass all of North America. James Polk was the first president to vocalise the concept that the US should stretch ‘from sea to shining sea’.

What goals did president Polk have for the country?





A workaholic, America’s new chief executive set an ambitious agenda with four major goals: cut tariffs, reestablish an independent U.S. Treasury, secure the Oregon Territory and acquire the territories of California and New Mexico from Mexico. Polk eventually achieved all his goals.

What was James Polk’s greatest accomplishment as president?

The treaty drastically enlarged the United States, granting the country more than 500,000 square miles of new western territory and valuable ports in California. The Treaty of Guadalupe Hidalgo was one of President James Polk’s greatest accomplishments.

Did Polk support slavery?

Polk was a strong Jacksonian Democrat and absorbed most of Jackson’s ideology. Polk opposed banks and high tariffs and supported Native American removal and the extension of slavery. Polk himself was a slaveowner and co-owned a large cotton plantation with his brother.

Was president Polk considered a good president?



A man of firm personal principles, he kept his word to retire after a single term, although he easily could have won reelection. Despite Polk’s accomplishments, many historians today regard him not as a great president but as one who missed opportunities.

What laws did James Polk pass?

James K. Polk: Domestic Affairs



  • Walker Tariff of 1846.
  • Independent Treasury Act of 1846.
  • Westward Expansion.
  • Wilmot Proviso: Slavery in the New Territories.


What lands did Polk want to add to the US?

Whether through a congressional joint resolution, negotiations, purchase, or war, President Polk by the end of his term intended for the United States to stretch from coast to coast, firmly in possession of the Oregon Territory and California.

Which president was responsible for manifest destiny?

President James K. Polk



US President James K. Polk (1845-1849) is the leader most associated with Manifest Destiny. Manifest Destiny inflamed sectional tensions over slavery, which ultimately led to the Civil War.

What did Polk do for manifest destiny?

Polk won the Presidency based almost solely on a platform of supporting manifest destiny and acquiring more land (not surprisingly, former President Andrew Jackson supported Polk and helped his campaign). Polk quickly convinced Texas to join the United States in 1845.

Why is James Polk known as the father of Manifest Destiny?

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.

What contributed to the Manifest Destiny?

The idea of Manifest Destiny arose in response to the prospect of U.S. annexation of Texas and to a dispute with Britain over the Oregon Country, which became part of the union.

What did Polk’s idea of Manifest Destiny include?



With Polk’s party in the majority, Congress voted for war after two days of debate. Some members of Congress believed it was the “manifest destiny” of the United States to occupy all the land from the Atlantic states to the Pacific Ocean. Southerners saw an opportunity to create more slave states.

What did Polk’s campaign slogan have to do with Manifest Destiny?

Polk from Tennessee. He was a true expansionist who believed in Manifest Destiny and wanted to annex Texas and take claim of Oregon and California. His campaign slogan, “Fifty-four Forty or Fight!” was a reference to the latitudinal boundary between the Oregon Territory and Russian held Alaska.

WHO said 54 40 or fight?

Polk called for expansion that included Texas, California, and the entire Oregon territory. The northern boundary of Oregon was the latitude line of 54 degrees, 40 minutes. “Fifty-four forty or fight!” was the popular slogan that led Polk to victory against all odds.

Did Polk keep his 5 promises?

Polk claimed that the United States would control the entire Oregon Territory without Great Britain’s input or that Americans would fight. Polk did not fulfill his campaign promise. In 1846, he agreed with the British to establish the United States-Canadian border at the forty-ninth parallel.