What dominant color scheme was most commonly used in U.S. War Bond advertisements during World War II specifically to trigger emotional consumer responses?

During World War II, the U.S. government needed to raise billions of dollars to fund the war effort. War bonds were a critical fundraising tool, and their marketing campaigns represented some of the most sophisticated consumer behavior strategies of the era. The psychology of color played a significant role in these campaigns, with specific color schemes chosen to evoke patriotism, urgency, and duty. This poll tests your knowledge about how color psychology was strategically employed in these historic marketing materials.

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Red, white, and blue - to evoke patriotism and national unity
Green and gold - to symbolize financial prosperity and security
Black and orange - to convey urgency and immediate danger
Purple and silver - to represent sacrifice and industrial strength