According to the article, why did the founders of the United States copy the structure of the ancient Greek polis?

A. They wanted each potential state to be composed of a central city with a wider circle of land surrounding it.

B. They wanted the colonies to become states that could govern themselves locally under wider national laws.

C. They wanted each state to create its own constitution that would become a part of the U. S. Constitution.

D. They wanted the body called the Electoral College to officially cast the votes of each state for president.