Third parties have influenced some elections in u. s. history by doing which of the following?
a. taking key issues away from the control of a major parties and making them their own
b. presenting positions that the major parties then adopt
c. winning the presidency
d. often outpolling the major parties

I believe the answer is: B. presenting positions that the major parties then adopt

In united states, there are two major political parties which often times become a direct opposition on how they view things.

The third parties usually present a position that lies in the middle position between the two major parties. If the position of the third party obtained a lot of support from voters, one of the major party would most likely adopt it in order to absorb the votes.

answer; ///i believe the correct answer is john marshall;

d. direct