Which event is the best explanation for the population trend shown in this graph?

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

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

How did the minoan people become wealthy?