Answer:
ninety million acres
Explanation:
As a result of the Dawes Act, over ninety million acres of tribal land were stripped from Native Americans and sold to non-natives.
This depends greatly on the time period in question, since for a long time it was Irish immigrants who were coming to the United States in great numbers, but yes, mostly it was German immigrants.
a) hunter gatherers who built mounds
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a circa 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
