The correct answer is option A. The duty that the President must perform during the first few weeks of each new year is the delivering of the State of Union Address. In it the President will explain to the American people his vision for the United States ahead of a new year beginning.
The State of the Union address is a duty delegated to the President by the U.S Constitution in its article II: "The President shall from time to time give to the Congress information of The State of Union, and recommend to their consideration such measures as he shall judge necessary and expedient."
The Scientific Revolution changed the perspective of many people in the world. Our universe was no longer the mystery that it once was. Some people were excited by these new discoveries and revelations while others were terrified of what they did not know and what it could do to their role in society.
True. This is because anything that prevents you from receiving and understanding a message, an idea or even a thought becomes a communication barrier. If at all a thick accent makes you not to understand what is being said, then that is a barrier to effective communication.