Final answer:
Tepees are tents constructed with wooden frames covered in wool felt and grease to make them waterproof. They were used by nomadic tribes on the Great Plains of North America.The correct answer is option A. True.
Step-by-step explanation:
Tents about twelve to fifteen feet in diameter, constructed of light wooden frames covered by layers of wool felt and greased to make them waterproof are known as tepees. This type of shelter was widely used by nomadic tribes on the Great Plains of North America, including the Lakota, Sioux, and Blackfoot. It is important to note that while tepees were used regularly in the Great Plains region, they were not commonly used outside of this region.