This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Primary Voter Turnout.svg United States Presidential Primaries Democratic turnout as percentage of total turnout Data from gmu edu htm The map includes all states where both parties had voted by March the date John McCain clinched the Republican nomination User Gage public domain presidential election maps Democratic primary