Which event marked the end of fighting during world war i

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.

What is the best possible explanation for why the first ghosts seen were flaming spirits with their bodies on fire

What were some effects in world war 1 in europe ? ( and only in europe)