The belief in Manifest Destiny justified the American expansion to the Pacific Ocean. Manifest Destiny was an attitude that stated it was the destiny of the people of the United States to expand from the Atlantic Ocean to the Pacific Ocean.
This belief allowed the Americans to justify taking land away from the Native Americans. It was argued that the Native Americans were holding back the progress of the United States. Therefore, many people and many leaders felt it was justified to remove the Native Americans from the lands on which they lived, in order for the United States to grow economically and politically.
Other people believed it was God’s plan for the American people to control more land. These people believed that the Americans should spread religious teachings to other people and to other areas. They believed God wanted the superior American way of living to be spread to other people who were considered to have an inferior way of life.
The belief in Manifest Destiny allowed Americans to support annexing Texas in 1845 and going to war with Mexico in 1846. The goal was to gain more land, and both of these events added significant land to the United States, allowing the country to expand to the Pacific Ocean.
The belief in Manifest Destiny justified the expansion of the United States in the minds of many Americans.