Which statement best describes an effect of the british policy of salutary neglect?
a) the colonies developed an attitude for self-governing.
b) colonial governors became more powerful than assemblies.
c) american colonists stopped sending raw materials to england.
d) parliament increased its military supervision of the colonies.

I believe the answer is: A) The colonies developed an attitude for self-governing.

 Through The salutary neglect, the british government imposed a very strict regulation to control the trade activities that made by the colonies.
This strict regulations made the people in the colonies become extremely unhappy and started to made effort to cut ties with the british government.

The statement that best describes an effect of the British policy of salutary neglect will be that the colonies developed an attitude for self governing. This policy was used by the British Crown in the 17th and 18th centuries. The correct answer is A.