Which president, elected in 1844, is known for the annexation of Texas and influence on the Oregon Trail?

The president elected in 1844 who is recognized for the annexation of Texas and his significant influence on westward expansion, particularly regarding the Oregon Trail, is indeed James K. Polk.

Polk's presidency is marked by his strong commitment to Manifest Destiny, the belief that the expansion of the United States across the American continent was both justified and inevitable. He actively pursued the annexation of Texas, which became a contentious issue leading up to and following his election. In 1845, shortly after taking office, he oversaw Texas' admission to the Union, asserting that this move was essential for the growth and prosperity of the nation.

Additionally, Polk's administration played a critical role in securing the Oregon Territory through negotiations with Britain, culminating in the Oregon Treaty of 1846. This agreement established the U.S.-Canada border at the 49th parallel and was central in fulfilling America's ambition to extend its borders to the Pacific Ocean.

Overall, Polk's policies and actions during his presidency significantly contributed to the territorial expansion of the United States, making him a pivotal figure in that era of American history.