president from 1845 to 1849.During his residency, America 's domain developed by more than 33% and stretched out over the mainland surprisingly. At age 49, James Polk was more youthful than any past president when he went into the White House. A compulsive worker, America 's new CEO set an aggressive plan with four noteworthy objectives: cut taxes, restore a free U.S. Treasury, secure the Oregon Territory and get the domains of California and New Mexico from Mexico. Polk in the end accomplished every one of his objectives. He was a champion of show destiny–the conviction that the United States was destined to grow over the North American continent–and before the end of his four years in office, the country stretched out, interestingly, from the Atlantic Ocean to the Pacific Ocean. In 1845, the United States finished its extension of Texas, which turned into the 28th state on December 29.This move prompted a breakdown in discretionary relations with Mexico. After the United States sent troops to a questioned fringe locale around the Rio Grande River, the Mexican-American War (1846-48). After the war, Mexico perceived the Rio Grande as America 's southern fringe and, in return for fifth teen million, surrendered the area that makes up all or parts of present-day California, Arizona, Colorado, Nevada, New Mexico, Utah and Wyoming. With the Oregon Treaty of 1846, Polk dealt with another noteworthy area acquisition–this time
president from 1845 to 1849.During his residency, America 's domain developed by more than 33% and stretched out over the mainland surprisingly. At age 49, James Polk was more youthful than any past president when he went into the White House. A compulsive worker, America 's new CEO set an aggressive plan with four noteworthy objectives: cut taxes, restore a free U.S. Treasury, secure the Oregon Territory and get the domains of California and New Mexico from Mexico. Polk in the end accomplished every one of his objectives. He was a champion of show destiny–the conviction that the United States was destined to grow over the North American continent–and before the end of his four years in office, the country stretched out, interestingly, from the Atlantic Ocean to the Pacific Ocean. In 1845, the United States finished its extension of Texas, which turned into the 28th state on December 29.This move prompted a breakdown in discretionary relations with Mexico. After the United States sent troops to a questioned fringe locale around the Rio Grande River, the Mexican-American War (1846-48). After the war, Mexico perceived the Rio Grande as America 's southern fringe and, in return for fifth teen million, surrendered the area that makes up all or parts of present-day California, Arizona, Colorado, Nevada, New Mexico, Utah and Wyoming. With the Oregon Treaty of 1846, Polk dealt with another noteworthy area acquisition–this time