Indian tribes waged wars of annihilation against other tribes. in turn, Europeans were quite happy to kill Indians. In the U.S., especially in California, the myth of the "Yellow Peril" led labor, farmers, conservatives and some  "progressives" to public office and resulted in laws barring immigration, naturalization of immigrants, or ownership of land by immigrants.   This atmosphere of hate and fear led to concentration camps for most anyone with as much as a single Japanese-born  gr