I would say B monotheism and C writing system not yet deciphered
hope this helps
Founded in 1836 by Dr. Marcus Whitman<span> and his wife, Narcissa, the </span>Whitman Mission<span> was the site of one of the worst tragedies along the Oregon Trail. The Whitmans, Methodist missionaries, offered religious instruction and medical services to the local Cayuse Indians.</span>
The main way in which social scientist interpret the past is by looking
at huma interactions--how humans have evolved to deal and create things
like economies and social norms.
Hope it helped : )