(Solution) Hist 405N Week 3 Discussion: Manifest Destiny and the Mexican War of 1846

How did the ideology of Manifest Destiny contribute to the Mexican War of 1846? Why did the Mexican War of 1846 take place? Was the war necessary? Was it beneficial to the United States? What does this war tell us about this period of American history? Was it God’s plan that the United States extend from the Atlantic to the Pacific, or were imperialists looking for a way to defend what they planned to do anyway? Elaborate.


In 1846, the United States went to war with Mexico. The war, which lasted for two years saw Mexico lose almost half of its territory to the United States including lands from Texas to California.  According to Gómez (2018), in the 1840s, America was significantly stuck with the idea of manifest destiny. This is the idea that the country should san from the Atlantic Ocean to the Pacific Ocean.  Nevertheless, two areas stood in America’s way of achieving this goal; the Oregon Territory which was occupied by both Great Britain and the US and western and southwestern lands which were owned by Mexico. Gómez (2018) posits that Presidential candidate James K. Polk fully embraced manifest destiny. This explains why he even ran on the campaign slogan “54’40” or Fight,” By this, he referred to the northern latitude……Please click the Paypal icon below to purchase full solution for only $5