Assimilation for Native Americans Differs from Assimilation of the Irish

Assimilation for Native Americans differs from assimilation of the Irish and other European groups in that

A) Native Americans were expected to assimilate into the invading culture.
B) non-Native Americans had the advantage of accommodating to a culture very similar to their own.
C) Irish and other European groups could resist assimilation by returning home.
D) All these answers are correct.