It could be argued that political parties in the US behave as if they were coalitions of:

Question

Quizplus · Accepted Answer

Since there are only two major political parties in the US, various interest groups find themselves forming uneasy alliances in political parties. The political parties, then, must work to keep all of the interest groups happy, which can be tricky if groups within the coalition have competing interests. For example, two interests in the Democratic Party whose interests often conflict are labor unions and environmentalists.

It Could Be Argued That Political Parties in the US