Why did the worlds first civilizations develop in river valley

In 1958, the aarp was organized to promote

In your local newspaper you read an editorial supporting a local building initiative that will cost the town million of dollars

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