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.
The bible is a collection of writings. the first parts dating back 3500 years. Hope this helps :)
The garbage workers that were on strike.
Rutherford B. Hayes. You know you can google these kinds of simple questions, right? It's much faster and more reliable.