Verified Answer :

It could be either A or D, but I due to the lack of third party votes they're not really counted in elections, so answer D.

The BEST description of the American political party system is D. two-party.

The main two parties are the Republican Party and Democratic Party. Some independent candidates have contested and won elections into Congress.

The two-party system has been working for America, thereby eliminating too much partisanship in politics.

Thus, the best description of the American political party system is D.

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