The Constitution is the basic set of rules for the US. It was drafted by the constitutional Convention in 1787. The constitution was later supplemented by the Bill of Rights.
The northwest territory was part of the land Britain didn't allow the colonists to move into. This area consists of Minnesota, Wisconsin, Michigan, Illinois, Indiana, and Ohio. This land was sold to help pay back war debits.
Suffrage is the right to vote in political elections. Suffrage is an important part of the democracy. At the time suffrage was limited to men with land.