What Types of Achievements Did American Indians in North and South

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

A) American Indians had an incredibly primitive society and had accomplished very little at the time Columbus arrived.
B) American Indians had made some simplistic efforts at understanding science but had very little political organization.
C) American Indians had established religions and large cities but had made few cultural achievements, such as art or literature.
D) American Indian civilizations had established political systems, large cities, and made many discoveries in science.