Which of the followwing was not a result of the Lewis and Clark expidition

Why do you think americans were so fascinated by this idea of the united states stretching from “sea to sea”? give 2 reasons

What is political freedom? how is it different from economic freedom?

Aschedule of partial reinforcement in which reinforcement occurs after a fluctuating number of behaviors is called a(n) schedule. a. arbitrary interval b. variable interval c. variable ratio d. arbitrary ratio