Which would be considered an economic interest group?

How does the balance of trade look different in the us today vs hot it looked in the 70's

The major impact third parties have on presidential elections has been to.. a. encourage larger vote turnout b. recruiter leader from the democratic and republican party to run for president c. generate increased party identification among the electorate d. developing issues that are later adopted by the major political parties e. drawn off of votes from the major parties to throw election into the house representatives

Only 1 vote per state regardless of size why is this a problem