Social engineering, my Aunt Fanny…
Quick: what caused the popularity of the car chase in cinema?
If you said, 'the invention of the automobile', give yourself half a point.
If you said, 'Prohibition', give yourself full marks.
Here they are in 1922, enforcing the Volstead Act. Chasing bootleggers around Washington, DC. In flivvers.
Ah, the Roaring Twenties.
We understand the cast of Homeland is working on a time-travel version. We recommend that they contact the Library of Congress.