What Types of Achievements Did Native Americans in North and South

What types of achievements did Native Americans in North and South America make before the arrival of Columbus?

A) Native Americans actually had an incredibly primitive society, and had accomplished very little at the time Columbus arrived.
B) Native Americans had made some simplistic efforts at understanding science, but had very little political organization.
C) Native Americans had established religions and large cities, but had made few cultural achievements, like art or literature.
D) Native American civilizations had established religions, political systems, and large, complex cities. They had also made many discoveries in science, especially astronomy and mathematics.