They should teach this in schools.

Capitalism: You have two cows. You sell one cow and buy a bull.

Socialism: You have two cows. Give one cow to your neighbor.

Communism: You have two cows. Give both cows to the government, and they may give you some of the milk.

Fascism: You have two cows. You give all the milk to the government, and the government sells it.

Nazism: You have two cows. The government shoots you and takes both cows.

Anarchism: You have two cows. Keep both of the cows, shoot the government agent and steal another cow.

Surrealism: You have two giraffes. The government makes you take harmonica lessons.