i. Over 200 languages were spoken in North America.
ii. Between 2 and 7 million Native Americans lived in North America.
iii. Each Native American tribe participated in a unique culture.

All of the above characteristics describe what North America looked like __________.
A.
before Native American tribes practiced agriculture
B.
after early humans crossed the Bering Land Bridge
C.
just prior to Native American and European contact
D.
during the last major Ice Age