Answered

How did the Dutch extract raw materials from their colonies in the East Indies?

by using the natives as cheap labor

by bringing in slaves from Africa

by sending European colonists to farm the land

All of the choices are correct.

Verified Answer :

The first option is the correct answer.
The Dutch extract raw materials from their colonies in the East Indies by using the natives as cheap labor.
According to history, the Dutch exploited the colony, its natural resources and Indonesia's labor force. They are very interested in gaining profit, thus forcing  farmers to grow commercial crops for the local government and Dutch.