The answer should be A. to maintain low air pollution levels.
Most immigrants came to the US to seek their fortunes, and live a better life than they could ever hope for in their home countries.
It is called the Lanzon, it was the vernacular name for the most significant statue of the central deity of an ancient Chavin culture of Peru. It was also the first utmost religious and racial movement in the mountains of Andes. Its central image is functioning as axis mundi which means the pivot linking between heavens, earth, and an underworld.