Which began the long chain if events that plunged europe into war in august 1914?

What kind of contact did christopher columbus and native americans initially have?

Who did the first work in creating vaccines

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