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 Tet Offensive was the turning point of the Vietnam War. On January 1986, seventy thousand Vietnamese soldiers launched a strategic military campaign.
It is either B or C I honestly believe the answer is B tho.
Answer: April 8, 563 BC, Lumbini, Nepal
Explanation: hope helps
