Key Belief of Manifest Destiny

During the 19th century, the concept of Manifest Destiny emerged as a significant belief driving American expansionism. This term referred to the idea that the United States was destined to expand its territory across the continent, from the Atlantic Ocean to the Pacific Ocean. Advocates of Manifest Destiny believed this expansion was divinely ordained and beneficial for the country. Which of the following best reflects a key belief associated with Manifest Destiny?