prehistoric Native American people who lived in the Mississippi River valley and were known by the huge earthen mounds they built

originating or occurring naturally in a particular place; native

the type of weather that occurs regularly in a place

the religious belief in many gods 

large area whose geographic characteristics, such as climate and physical features, set it apart from other places

having to do with courts of law or decisions of right and wrong

the buying and selling of goods and services; trade

religious belief in one god