Explain the teachings and impact of john i need

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 best describes the impact of the crusades on european exploration?

Oraccording to document 3,do you think napoleon is a democratic reformer imperial dictator? explain.