The purpose of the British Declaratory Act of 1766 was to
a. proclaim the right of Britain to pass laws regulating the colonies.
b. repeal the Stamp Act.
c. establish British fur-trading rights with the Indians.
d. place taxes on all British goods imported into the colonies.
The main purpose of the British Declaratory Act of 1766 was to "a. proclaim the right of Britain to pass laws regulating the colonies," since it was clear that the colonists were not respecting Britain's right to tax them.