By 1500, agriculture was
a. practiced in sedentary communities and by nomadic pastoralists throughout the Americas.
b. virtually unknown outside of the Andean and Mesoamerican civilization zones.
c. largely diffused throughout the Americas, although not always in sedentary agricultural communities.
d. practiced in sedentary communities throughout the Americas.
e. practiced sparingly inside Mesoamerica but was used extensively in regions such as the Mississippi.
Answer: C