John further discusses the effect of Western Expansion on Native Americans and how they suffered as a result.

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.

The Vikings meet Native Americans for the first time in newfound territory that they thought was unoccupied. They both share greetings with a welcoming spirit.

John talks about the idealism of cowboys and ranchers. He also talk about why the railroads were crucial in western expansion.

This clip compare and contrasts the different roles indigenous women had and played in their community with a typical English settler woman.