Mound Builders in the context of "Mississippi River"

Missouri (see pronunciation) is a landlocked state in the Midwestern region of the United States. Ranking 21st in land area, it borders Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas to the south and Oklahoma, Kansas, and Nebraska to the west. In the south are the Ozarks, a forested highland, providing timber, minerals, and recreation. At 1.5 billion years old, the St. Francois Mountains are among the oldest in the world. The Missouri River, after which the state is named, flows through the center and into the Mississippi River, which forms the eastern border. With over six million residents, it is the 19th-most populous state of the country. The largest urban areas are St. Louis, Kansas City, Springfield, and Columbia. The capital is Jefferson City.

Humans have inhabited present-day Missouri for at least 12,000 years. The Mississippian culture, which emerged in the ninth century, built cities with pyramidal and other ceremonial mounds before declining in the 14th century. The Indigenous Osage and Missouria nations inhabited the area when European people arrived in the 17th century. The French incorporated the territory into Louisiana, founding Ste. Genevieve in 1735 and St. Louis in 1764. After a brief period of Spanish rule, the United States acquired Missouri as part of the Louisiana Purchase in 1803. Americans from the Upland South rushed into the new Missouri Territory, taking advantage of its productive agricultural plains; Missouri played a central role in the westward expansion of the United States. Missouri was admitted as a slave state as part of the Missouri Compromise of 1820. As a border state, Missouri's role in the American Civil War was complex, and it was subject to rival governments, raids, and guerilla warfare. After the war, both Greater St. Louis and the Kansas City metropolitan area became large centers of industrialization and business.

Constantine Samuel Rafinesque-Schmaltz (French pronunciation: [kɔ̃stɑ̃tin(ə) samɥɛl ʁafinɛsk(ə)ʃmalts]) (October 22, 1783 – September 18, 1840) was a French polymath of the early 19th century. Born near Constantinople in the Ottoman Empire, he was self-educated in France.

As a young man, Rafinesque-Schmaltz traveled to the United States, eventually settling in Ohio in 1815. There, he made significant contributions to botany, zoology, and the study of prehistoric earthworks in North America. Beyond his previous extensive work in Europe, he also contributed to the study of ancient Mesoamerican linguistics.

Mississippi (/ˌmɪsɪˈsɪpi/ MISS-iss-IP-ee) is a state in the Southeastern and Deep South regions of the United States. It borders Tennessee to the north, Alabama to the east, the Gulf of Mexico to the south, Louisiana to the southwest, and Arkansas to the northwest. Mississippi's western boundary is largely defined by the Mississippi River, or its historical course. Mississippi is the 32nd largest by area and 35th-most populous of the 50 U.S. states and has the lowest per-capita income. Jackson is both the state's capital and largest city. Greater Jackson is the state's most populous metropolitan area, with a population of 591,978 in 2020. Other major cities include Gulfport, Southaven, Hattiesburg, Biloxi, Olive Branch, Tupelo, Meridian, and Greenville.

The state's history traces back to around 9500 BC with the arrival of Paleo-Indians, evolving through periods marked by the development of agricultural societies, rise of the Mound Builders, and flourishing of the Mississippian culture. European exploration began with the Spanish in the 16th century, followed by French colonization in the 17th century. Mississippi's strategic location along the Mississippi River made it a site of significant economic and strategic importance, especially during the era of cotton plantation agriculture, which led to its wealth pre-Civil War, but entrenched slavery and racial segregation. On December 10, 1817, Mississippi became the 20th state admitted to the Union. By 1860, Mississippi was the nation's top cotton-producing state and slaves accounted for 55% of the state population. Mississippi declared its secession from the Union on January 9, 1861, and was one of the seven original Confederate States, which constituted the largest slaveholding states in the nation. Following the Civil War, it was restored to the Union on February 23, 1870. Mississippi's political and social landscape was dramatically shaped by the Civil War, Reconstruction era, and civil rights movement, with the state playing a pivotal role in the struggle for civil rights. From the Reconstruction era to the 1960s, Mississippi was dominated by socially conservative and segregationist Southern Democrats dedicated to upholding white supremacy.

Allegewi (also Alligewi or Talligewi, or other variants) is the name of a purported ancient Native American people associated in tradition with the construction of prehistoric earthworks and fortifications in the Mississippi and Ohio River valleys. Although commonly identified in 19th-century sources as a "giant race" encountered and expelled by migrating Lenape and Iroquois peoples, the historical existence of the Allegewi is widely disputed by modern scholars and regarded as part of Native oral tradition, settler mythmaking, and early attempts at ethnological explanation of the so-called Mound Builders.

Lake Minnetonka (Dakota: Mní iá Tháŋka) is a lake located about 16 miles (26 km) west-southwest of Minneapolis, Minnesota. Lake Minnetonka has about 23 named bays and areas. The lake lies within Hennepin and Carver counties and is surrounded by 13 incorporated municipalities. At 14,528 acres (5,879 ha), it is Minnesota's ninth largest lake.

Lake Minnetonka was formed around 10,000 years ago during the retreat of the Laurentide ice sheet. The lake consists of interconnected kettle lakes, channels, and marshlands, along with 18 islands, giving it an irregular shape and 125 miles (201 km) of shoreline. Human habitation in the area dates back approximately 10,000 years, beginning with ancestral Indigenous peoples. Between 3500 BCE and 1500 CE, the Mound Builders era flourished; in the 1880s, 524 burial mounds and earthworks along the lakeshore were mapped and estimated to date from 300 BCE to 100 CE. By the 1700s, the Dakota people inhabited the area, utilizing the lake for hunting, fishing, harvesting wild rice, and setting up maple sugar camps. The lake holds cultural and spiritual significance for the Dakota people, with sacred sites such as Spirit Knob playing an important role in their traditions and beliefs. Following the Dakota War of 1862, the Dakota people were forcibly removed from the region.