The main things are Funions and Geography. Hope this helps!!
Answer:
Army horses took over Canyon de Chelly grazing grounds, In 1860, 1,000 warriors attacked Fort Defiance, For 10 years there were attacks and reprisals by both the Navajo and the Army.
Explanation:
Swampy and dry hot features in the land developed a lot of cotton and tobacco plantations. <span />
Imperialism necessitates control of territories, while rivalry for resources just means control of those resources.