List the reasons why:

I should bother studying world history.
You will learn more about how democracy started, and how other countrys were founded

I should bother studying literature.
You get a better vocabulary. You may learn that you like to read and find a new hobby.

I should bother studying language arts.
So you don't sound stupid in everyday conversation.

I should bother studying geography.
So you know how long your flight is to South Koria.