The United States of America has undergone many substantial changes throughout its long history. Manifest Destiny played a huge role in making this great country what it is today. In the nineteenth century, Manifest Destiny was a phrase first used by an American journalist named John Louis O'Sullivan. Manifest destiny refers to the belief that Americans were destined to expand their territory and thus create their own great country. Manifest Destiny impacted several aspects of society, such as attitudes towards patriotism, as well as being the driving force that allowed slavery to expand into other parts of the country as well. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay During the 1848 presidential election, the expansion of slavery was a major topic and a frequently discussed issue. The expansion of slavery was important to both political parties, the new territories had to choose whether they would be a free state or a slave state, which could affect the current balance between the states. The westward expansion of slavery was a national debate initiated by the Missouri Compromise of 1820. However, the Missouri Compromise did not apply to new states that did not participate in the Louisiana Purchase because of this the ongoing issue of slavery continued to be discussed. intensify as the nation grew. At the same time, the question of whether or not slavery would be allowed in the new Western states overshadowed most conversions on the frontier. serve their interests. The North opposed the South anticipating the further abolition of slavery. The South was already alarming secession over the issue. The American acquisition of the Southwest not only encountered constant debate over slavery, but also debated disagreement that made it almost inevitable. The circumstances were; California was declared a free state, New Mexico and Utah were established as territories; which meant they had to decide for themselves whether they would be a free state or a slave state, however both territories ended up allowing this. The idea of ​​manifest destiny had a great influence on people's minds, which promoted these expansion movements and debates about slavery. As a result of Manifest Destiny, land in the West was sold cheaply, which intrigued many farmers. Many farmers began to move west and expand their farms into large fields, producing more crops. In some cases the land may even be vacant. The Americans took Texas and also fueled westward expansion into the Oregon Territory and the rest of the coast. Mexico allowed Americans to settle in Texas if they followed its rules and traditions. Nonetheless, the American colonists decided to follow their own ideals instead, which was a major factor in the Mexican-American War of 1846. Keep in mind: This is just one example. Get a custom paper from our expert writers now. Get a Custom Essay Manifest Destiny had a huge impact on America, socially, economically, and politically. People were fascinated by the destiny they had in mind for their new country, which would lead to a booming economy. However, it also brought tensions over land and slave rights, which led to the Mexican-American War.