Why did Britain have an empire?

Britain had many reasons to want an empire. Economically, the rich natural resources available in Africa, Asia and the Pacific earned the country a lot of money as goods were imported and exported. Politically, it made Britain a very powerful country and allowed the spread of their influence across the world.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.