Answer:
The correct match the following are:
1. People of a certain region who elect a representative who is then answerable to them - constituency
Constituency is defined as an area whose voters elect a representative to a legislative body.
2. A type of person who will staunchly campaign or vote for only one political party - partisan
Partisans are very strong supporters of a particular party.
3. A political plan of action - program
4. The executive branch of the american government; particularly used in relation to the presidency - administration
The process of running an organization is defines an administration. It constitutes of various levels of individuals with defined sets of duties.
5. A political party's assembly, usually for the purpose of presenting a candidate - convention
6. Democracies in which the people elect representatives to act as their agents - representative democracy
A democratic government is elected by people of that country, by voting for their favorite candidate.