B is the choice that i would select because by "...heavy eacning of homwork ahead" it means a lot, because when you think of heavy, you think of having a lot of heavy weight to carry. The more you have, they "heavier" it is.
The protagonist is seen as a hero/good guy and a antagonist is seen as the villain/ bad guy.
Answer:Although urban areas were usually less healthy places to live, trading cities pulled people to them with their thriving economies and job opportunities. These bustling cities became the places where cultures, ideas, and technological innovations were exchanged and spread.
Explanation:
