How did the colonists and the British soldiers viewpoints differ about the Boston massacre?

The people are the source for any and all governmental power in the united states

In the 1800s, many americans believed in the policy of manifest destiny. what did this mean? the nation’s mission was to expand to the pacific ocean. the nation should stay away from involvement with foreign countries. the nation should latin american countries achieve independence. the nation’s mission was to expand into latin america.

Which best describes john c. calhoun?