War

War. What is it good for?

Taking Over Other People's Territory

If someone has a lot of nice land and you want it, war is generally the best option for obtaining it.

Polygamy

Do you live in a polygamist society and have a lot of extra dudes wandering around with nothing to do? Start a war!

People Keep Talking About Your Sex Scandal

Go ahead--wag that dog!

Oil, Oil, and More Oil

You need oil. You don't have oil. Start a war!

Narcissistic Orange Man is Sore Loser

There's no need to accept an election if you don't like the result. Might makes right! Start a war!