What is the history of use and conservation of South American camelids?
a. The use of camelids by prehistoric societies was limited to transportation.
b. The domestication of the vicuña began around 6000-8000 years ago in the Titicaca basin.
c. The Inca Empire regulated the use of vicuñas, and the animals were owned by the Inka.
d. The Spanish conquest led to a dramatic decline in vicuña populations due to unrestricted hunting for their skins.
e. The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) prohibited the international trade of vicuña fiber in 1975.

a) b, c, and e are correct.
b) b, c, d, and e are correct.
c) a, b, and e are correct.
d) b, d, and e are correct.