A brief explanation of the origin of the term manifest destiny and the goal of expansionists.

This scene shows the similarities between the concept of manifest destiny in the United States and expansion in Rome. The Americans state that manifest destiny "can't be stopped," explaining one of the core beliefs of the ideal: that the United States has an irresistible destiny to expand across North America.

John discusses how people moved west and how it affected the Native Americans.

The narrator describes how Andrew Carnegie, an entrepreneur during the Gilded Age, was able to manage a profitable steel company while living a leisurely live. This marked a new concept of the American Dream, where one could use technology and mass production for personal wealth and prosperity. Also. it is explained why Carnegie is unique from other entrepreneurs.

While traveling by train to the American west, the mice sing a song about their hopes for a better life. Among their many aspirations, they hope for a life free of garbage, corrupt politicions, and freedom.