What are four ways to demonstrate active listening?

give the speaker eye contact, respond with head nods, use appropriate body language, ask questions if the time is right

i-i-i-i-i-i don't k-k-k-k-know.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.