As a result of changes in british policy during the late 1600s, the american colonies a. made their official plan to declare independence. b. made their own trade and political decisions. c. were not allowed to spend money on british goods. d. were not allowed to manufacture many kinds of finished goods.

B. Made their own trade and political decisions.

Explanation:

During most of the 17th century English authorities had no official policies concerning the companies, merchants and indepedent corporations in the colonies, basically they ruled themselves with very little supervision from British officials.

This changed in 1651 when the navigation Act was passed, it stated that all goods shipped to and from American Colonies had to be carried on British ships.

However American colonists ignored the law and continued to smuggle goods and trade regularly with both the Dutch and the French West Indies.

the answer to your question is c