What are some ways in which the colonizers benefited from imperialism?

There are at
least three ways in which colonizers benefited from imperialism.  They benefited (or at least
could potentially benefit) economically, militarily, and politically.

A
major reason for imperialism was economic.  Colonizers were industrialized countries that needed
sources of raw materials and new markets in which to sell their goods.  If they colonized
countries that had resources that they needed, they could take those resources for themselves.
They could produce finished goods and sell...