War bond rallies.
War Bond Parades.
Special War Bond movies followed by sales pitches.
Even in modest sized towns, members of the CPI (Committee for Public Instruction) visiting homes at night ganging up on individuals asking why they had not yet bought a War Bond?

When thinking about the spread of the 1918 influenza in the USA do not leave out War Bonds.

President Wilson was advised by his own MD of the danger of bring masses of people together to sell them War Bonds during the Influenza. Wilson did it anyway.

If Wilson had simply raised taxes to fund the war this would not have happened.