Simple and direct, kind of like it sounds. Short and to the point.
Hope this helped!
D......................................................................
Nope cant avoid hoped i helped
True
When you're stating a claim in an argument, whether it's an essay or a speech, you want to make sure that it's clear and concise. This 'theory' is what you are going to spend your piece proving, so it should be strong and carefully thought out.
You don't want to have the past repeat itself so you learn about it to know its effect on the world.