A culture that is in the process of being swamped by another often reacts by physically grappling with the outsiders. But it may wage a cultural war as well. Such defensive actions have been given various labels by anthropologists: nativism, revivalism, revitalization, and messianism. All are deliberate efforts to erect a better culture out of the defeat or decay of an older one. ... As hopelessness and apathy settled over these people, the ground was prepared for revivalistic and messianic movements that promised the return of the good old days.