Which convention of american government reflects the principle of popular sovereignty?

How does the structure of the body of the declaration of independence support jefferson’s purpose

According to us supporters, which was a benefit of purchasing alaska? the territory would be a buffer to invasions from europe. the territory would provide a place for many americans to live. it would increase trade by improving access to the northern pacific. it would increase the united states’ power by creating a bond with russia.

How many categories of information are there