Which statement about the Mound Builders is true?

The Mound Builders lived in rural communities.

The mounds were not used as platforms for temples.

The Mound Builders' did not produce their own food.

The Mound Builders had slaves.

D: The Mount Builders had slaves

Explanation:

Mount Builders were prehistoric American Indians, named for their practice of burying their dead in large mounts. They built extensive earthworks over a long period of time dating from 3500 BCE to the 16th century CE.

The best-known flat-topped pyramidal structure is located in the Cahokia Mounds State historic Site. Cahokia was an urban settlement with nearly 30,000 people. A is not a true statement.

Many archaeological cultures used platform mounds for their religious practices and beliefs such as public temple platforms or mortuary platforms. B is not true.

The mounds of North America were built over a long period of time by very different types of societies, ranging from mobile hunter-gatherers to sedentary farmers. Statement C is false.

These cultures evolved into complex hierarchical societies which took slaves and practiced human sacrifice. D is the correct answer.