What are three reasons that Britain wanted an empire?

Answer 1

Because they would gain a lot of money from trade from resources of the occupied country, they could call up men from the other countrys to join there army. Basically, gain more power by having a bigger army and getting more money.

Answer 2

Britain wanted to have mass colonization in order to increase their financial and political power. Their colonization began during the age of exploration, in which they competed largely with Spain and Portugal to acquire new lands and people.