Answer:
A. A mother country uses a colony for its resources which helps the mother country gain wealth.
Step-by-step explanation:
A colony is an area of land or any nation that is governed and under the authority of another country. This country that holds control over everything within that colony is the mother country.
The relationship between a colony and a mother country is that a mother country uses the colony for its resources. She will take the resources and anything that will be beneficial for her, and thus increase the wealth of the mother country at the expense of the colony.
Thus, the correct answer is option A.