How is America’s expansion westward made possible by both national policy and international events in 1800?

During the 1840s , a new term emerged within America . It was called `manifest destiny ' and had been coined by New York journalist John L O 'Sullivan in the period just before , during , and after the Mexican-American War . As explained by O 'Sullivan , manifest destiny described America 's providential mission to extend its systems of democracy , federalism , and personal freedom , as well as to accommodate its rapidly growing population by ultimately taking possession of the entire North America continent '1 In other words , it was predestined that the American way of life developed

in during its colonial period be spread throughout the country . However , to understand how America came to believe in manifest destiny , it is necessary to examine the developments that helped bring about the concept of manifest destiny during the 1840s . Those developments stem all the way back to late 18th century and are comprised of various factors

The first factor to be considered is the issue of slavery . When the colonies were being established , particularly the southern ones , it was necessary for a great deal of land to be cleared to build homes and have extra land for farming . However , many of those who immigrated to the New World were not inclined to do the work themselves . They attempted to enslave the Native Americans they found living there , but were not completely successful in doing so . The next alternative was to utilize indentured servants , many of which were either poor Europeans or criminals sent to the colonies to reform . This solution only worked until the political , economic , and religious situation in Europe stabilized . Once that occurred , the great flow of indentured servants dried up . Therefore , to replace their labor source , beginning in the mid-1600s , colonists began using imported Africans as servants Initially , many had the same status as indentured servants : they worked for a certain number of years and then gained their freedom . However this eventually changed and the Africans became permanent servants

Slaves were concentrated more in the southern colonies than in the northern ones , as it was in the south that weather and land conditions were conducive to large-scale farming . During the late 18th century , the crop of choice that was planted was tobacco . This was a labor-intensive crop , requiring a great deal of dedicated work . As a result , it was necessary for an increasing number of slaves to be imported to do the work that whites were not willing to do themselves . A more important aspect of tobacco , however , was that it could quickly exhaust the land Therefore , it would eventually become necessary for planters to move to new land . As the need for new land to farm rose with the need for new slaves , white planters began to move further west and south , settling into areas of Kentucky , Tennessee , South Carolina and Georgia

As stated , tobacco was a labor-intensive crop , and could quickly exhaust the land . This along with the drop in prices during the 18th century led white planters to turn to a...