A. Freedom. toward the end of the revolution, The British became worrisome about their victory they hoped to gain, and needed the slaves to help them.
The correct answer is B.
The Constitution enumerates certain powers which are reserved to the federal goverment and other powers which are delegated to the state.
Those powers which are not explicitly related in the document to any of the goverment levels will automatically be reserved to and exercised by the supreme federal goverment.
Answer: The expressed powers
Explanation: The powers are clearly laid out and understandable of what Congress can do