What did European philosophers during the Enlightenment believe? Select three options. They could learn from ancient Greek and Roman thinkers.
Science and reason could help them understand the world.
Monarchies and the church were good models of authority.
Human nature could be studied using the scientific method.
Existing ideas about politics did not require improvement.

Science and reason, They could learn from ancient Greek and Roman thinkers, Human nature could be studied using the scientific method.

Explanation:

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

honestly i love the walking dead, mainly the quotes. “well, pardon me young man, excuse the [insert bad word here] out of my gosh darn french, but did you just threaten me? ” sksk (of course it's not the exact words)