Which minor party has not influenced platforms and elections in the United States?

A. Parliamentarian

B. Libertarian

C. Free Soil

D. Progressive

It would be the "Parliamentarian" party that has not influenced platforms and elections in the United States, since they are so far in the minority of voters that they can be neglected.

Answer;

Parliamentarian party

Explanation;

Minor parties are those parties that have less influence as compare to the major parties. In the U. S examples of minor parties include; the Green party, libertarian party, constitution party, among others.

Minor parties are important in national politics as they force major political parties to address new issues they might not have previously addressed very much.