Which presidential campaign innovation revolutionized political merchandise and raised a record $15 million through its retail operation?

Political campaigns have evolved into sophisticated retail operations, with merchandise serving as both a fundraising tool and a form of walking advertisement. Campaign stores carefully develop products that reinforce campaign messaging while generating revenue. This poll tests your knowledge about the fascinating intersection of retail product development and political campaigning in American presidential elections.

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Barack Obama's 2008 campaign 'Design for Obama' initiative with artist Shepard Fairey
Donald Trump's 2016 campaign red 'Make America Great Again' hats
Hillary Clinton's 2016 'The Woman Card' and 'Everyday Pantsuit' merchandise
Bernie Sanders' 2020 mittens-inspired merchandise collection