Final answer:
Lewis Henry Morgan was an American anthropologist known for his work on kinship systems, and he was from the United States.
Step-by-step explanation:
Lewis Henry Morgan was a pioneering American anthropologist and social theorist who worked extensively on the study of kinship systems and is best known for his work Systems of Consanguinity and Affinity of the Human Family published in 1871. He hailed from the United States. Morgan's contributions to anthropology and social theory are significant, providing a framework for understanding social structures in various cultures.