There was a vast Native American Culture in what is now the United States that spanned centuries that built geometric Earthworks and Mounds. This Culture was first named Adena, and later Warren King Moorehead classified Hopewell and Fort Ancient as Classifications of Cultures he named after two of his Archeological sites. Notably, these categories represent cultural traditions (e.g., material practices, mound and Earthwork building styles and techniques) rather than specific populations or tribes. It's incorrect to refer to "Adena people" or "Hopewell people" – describing them as "people of the Adena culture" aligns with accurate terminology. Similar to how we wouldn't call individuals from the Renaissance era "Renaissance people," referring to these groups as "cultures" ensures proper historical representation. While their self-identifications remain unknown, recent DNA research suggests a strong ancestral connection between these "Earthwork builders" and present-day Algonquian-speaking communities. Additionally, the umbrella terms "Woodland" and "Middle Woodland" denote the archaeological periods encompassing these diverse cultures and traditions.