Did WWII show us the best of humanity, or the worst of humanity?

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.

Religion or was a major factor contributing to the age of exploration? gold god glory grants

How do i do this? true or false? : elephants have the same dna as humans and bananas alike.