D. That all aspects of the piece should work together to create a certain effect
To create a "unity of effect" on the reader, it should have a certain effect on the reader. Like a really sad and depressing book should not exactly make the reader sad, but to feel the parts of the book that spoke out to the reader.
D is the answer to your question
Answer:
Through legislative debate and compromise, the U.S. Congress makes laws that influence our daily lives. It holds hearings to inform the legislative process, conducts investigations to oversee the executive branch, and serves as the voice of the people and the states in the federal government.
Explanation: this might help sorry if it doesn't
"He's running faster than the wind."