Whether those in power are viewed as having the right to govern others is Legitimacy
The legislative branch is divided into 2 different houses. The are the Senate and the House of Representatives.
Benjamin Franklin wants colonial unity
Population education is multidimensional because it effects all aspects of life - birth, death, migration, health status, employment status, economic status, housing and other issues. It is always changing, and you need to understand how it is changing to understand the issues of the day.