https://en.wikipedia.org/wiki/1944_United_States_presidential_election#/media/File:PresidentialCounty1944Colorbrewer.gif
Wikipedia
Results of the 1944 US presidential election by county. Shades of blue are for Roosevelt (D), shades of red are for Dewey (R), and shades of green are for “No Candidate” (Texas Regulars). Wikipedia.