Flags of Mathematical Nations: The Four-Color Confederation
The Four-Color Confederation has four parties, none of which ever governs two neighboring provinces.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-02-22-flags-of-mathematical-nations--flags-of-mathematical-nations-the-four-color-confederation/ (CC BY-NC 4.0)Transcript
The Four-Color Confederation [a map-like flag in four colors] "I understand your country has four major political parties?" "Yes — none of which ever manages to govern two neighboring provinces!"