Answer:
The major causes of conflict between Native Americans and white settlers in the 1800s were "d. the issue of who owned and controlled the land, and for which purposes it should be used" and "b. the slaughter of buffalo herds on which Native Americans depended for food", since it was usually the settlers who broke the treaties.
Explanation:
<span>In the Middle Ages, there were three heirs of Roman civilization. These three included: Byzantium, the Islamic Empire, and the territories of western Europe. The Byzantine Empire, founded by Emporor Constantine, was the first of these to inherit Roman civilization.</span>
O<span>verpopulation, growing cities, damming of rivers, and the need for more irrigation.</span>
