Name the three reforms of Pope Gregory VII

According to documents in wiesner et al., why has access to water been such an important factor in the rise of complex societies? how did ancient societies address the problems associated with harnessing these powerful resources? how have historians assessed and addressed this issue? cite the appropriate documents relevant to the response.

Explain how colonists treated the native americans and what happened to natives. ! ^^^ 12 points

Plz which of the following countries did not claim the oregon country in the early 1800s. a. russia. b. britain. c. the united states d. france.