Which factor determines the organization of political parties at the local level

The correct answer is:

The state electoral map

In the city level they have a town committee made of the city districts ward/council district committee leaders.

The answer is the electoral map.

Explanation:

There is an Electoral College process which have some important elements, such as the selection of the electors, the meeting of the electors who will vote for President and Vice President, as well as it must count the electoral votes by Congress.

This Electoral College is formed by 538 electors but 217 electoral votes are needed to elect the President.  

A "nuclear family" is A, a household made up of a father, mother, and their children.

The term is often used when talking about traditional families vs diverse families (families that don't follow the "nuclear family" model. Ex: same-sex couples with adopted children).