What is the best possible explanation for why the measles epidemic affected the Cayuse tribe in greater numbers than the Whitman group
A) Marcus Whitman focused his treatment efforts on the sick settlers rather than the Cayuse.
B) Measles was an unfamiliar disease to the Cayuse and thus they had no immunities to it.
C) The Whitmans were poisoning the Cayuse tribe.
D) Marcus Whitman was not a true medicine man.