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

Socialism: You possess two cows. You give one of them to your neighbour.

Communism: You possess two cows. The government confiscates them and provide you with milk.

Nazism: You possess two cows. The government confiscates them and shoots you.

European Common Market: You possess two cows. The government confiscates them, shoots one, milks the other and pour it down the drain.