What is the ultimate goal/need of capitalism

What was the overall impact of eli whitneys introduction of interchangeable parts?

Which physical feature minimizes population density in northern africa?

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