Mapping the Locations of North American Native Tribes Is Difficult

Multiple Choice

Mapping the locations of North American native tribes is difficult for all of the following reasons, EXCEPT

A) Tribes such as the Navajo and Apache migrated considerable distances both before and after their encounter with Europeans.
B) Maps mark tribal locations at the time of their first encounter with Europeans only.
C) First contacts with Europeans took place over the stretch of several centuries, which leads to a chronological skewing of maps.
D) Native tribes rarely knew their geographical locations.
E) In the mid-Atlantic and southeastern regions pre-Columbian conflicts had scrambled tribes into a various groups that are virtually impossible to trace.