In Mesoamerica, most pyramids were often used as what?

The most typical form of monumental architecture used in Mesoamerica was the pyramid. Pyramids were often perceived as artificial mountains, and they represented attempts by the ruling elites to construct a symbolic landscape.

Pyramids were used not only as temples and focal points for Maya religious practices where offerings were made to the gods but also as gigantic tombs for deceased rulers, their partners, sacrificial victims, and precious goods.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years