Can someone help me answer the 3 questions

Q: a: which of woodrow wilson's proposals was included in the treaty of versailles?

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy

An intersection of points outside the frontier (line) suggests that an economy is underutilizing it’s resources. true false