How did americans try to “civilize” native americans?

Americans tried to civilize the Native Americans through the Washington Administration who embraced a program to civilize native people, transforming Indians from tribal peoples into individuals who could be easily adopt the ways of another culture into American Society. The program promotes commercial agriculture, Christianity, an alteration in the gender-based divisions of labor among Indians and most importantly private ownership of land.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.