Answer:
Personally, I agree with the existence of a two-party system in American politics, since I believe that from this system, the liberal and conservative currents of the nation are framed in one or another party, thus avoiding fragmentation of the different positions politics in minority parties, or that political parties of extremist dyes are generated that can damage the democracy of the nation.
Even so, I consider that certain specific issues defended by third parties should be heard and defended by the majority parties, which is why I support the existence of third parties only for the purposes of expressing specific cases (such as environmental rights, animal rights, etc. ) but not for the purposes of real competition in national politics.