Which characteristic did most eastern North American Indian cultures s

Which characteristic did most eastern North American Indian cultures share?

a. Eastern Native Americans were united and spoke a common language.
b. Eastern Native American tribes were ruled by a central leader from the most powerful tribe.
c. Eastern Native Americans waged wars with large numbers of causalities to settle territorial disputes.
d. Eastern Native American bands were patrilineal.
e. Eastern Native American tribes were willing to align themselves with Europeans against other tribes.

ANSWER
E