Theory-a group of people moves into a territory and takes it from the people already
living
right theory-the rulers of a country are given power by god and any attempt to
overthrow them by the people is
theory-begins with a small group of people (possibly a single family) and
over time
contract theory-a group of individuals agree to give up some of
in order to have
of their rights provided by
the government does not fulfill its commitment to the people, they have the right
the government and set up a new one.