All of these are sources of authority
Answer:
The settlement in the Mississippian areas.
Explanation:
Native Americans had a culture in the Mississippi valley. Cahokia reached its peak between the 10th and the 14th century. Numerous settlements located near the river managed trade networks that stretched to all direction of North America. The Cahokia built large mounds for ceremonial, religious, or residential Europe for the elite members in the community. The first large scale of civilization in America was the Mississippian culture. Mounds are very much associated with the Cahokia located in Illinois. Many artifacts have found at the Cahokia mounds including stones, tools, pottery, knives, shells, and arrowheads.
The correct answer is obsessive compulsive disorder.
Obsessive compulsive disorder (OCD) refers to an anxiety based disorder in which suffers engage in compulsive behaviors (such as repeatedly washing hands due to the fear or germs and contamination) as a result of obsessive and intrusive thoughts that are distressing and cause significant anxiety. OCD sufferers engage in compulsive behaviors in order to decrease their levels of anxiety.