"Ruth Benedict, a professor of anthropology at Columbia University, studied the culture of the Southwest American
<span> Indians in the 1930s</span>" would be the best fit, although "history" could work as well.
The answer would be A. Another possibility is C. Hope this helped :)
Demonstrative adjectives are “this, that, these, and those”.
Answer:
a
Explanation:
because the dogs protect there owner and be able to help the owner know if thetes someon infront of them or something