What 4 states declared war on missouri

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

Which fact would this be, and how might you verify the truth?

What lured the spanish to the area of oklahoma?