The Caddoes ate all of the following foods except: a. corn b. squash c. potatoes d. sunflower seeds

Option:  d. sunflower seeds

Explanation:

The Caddo tribe's people engaged in farm and trade. They lived in permanent villages of grass houses. The Caddo people settled in the east where they cleared thick pine forests to establish village and farms alongside Mississippi River and the Red River. The crops grown in the area were corn, beans, squash, which also known as the three sisters because they grew together for centuries as they have been part of Native American agriculture and traditions.