S: (n) Mayan, Maya (a member of an American Indian people of Yucatan and Belize and Guatemala who had a culture (which reached its peak between AD 300 and 900) characterized by outstanding architecture and pottery and astronomy) "Mayans had a system of writing and an accurate calendar"
S: (n) Nahuatl (a member of any of various Indian peoples of central Mexico)
S: (n) Olmec (a member of an early Mesoamerican civilization centered around Veracruz that flourished between 1300 and 400 BC)
S: (n) Creek Confederacy (a North American Indian confederacy organized by the Muskogee that dominated the southeastern part of the United States before being removed to Oklahoma)
S: (n) Hanseatic League (a commercial and defensive confederation of free cities in northern Germany and surrounding areas; formed in 1241 and most influential in the 14th century when it included over 100 towns and functioned as an independent political power; the last official assembly was held in 1669)