What did rivers provided for ancient civilizations?

Conflict often developed between and the pope over how much influence the pope had over choosing local church officials. fill in the answer! like i mean tell me the answer! i am desperate! its the last question of the test so ! asap

Question 1 which of the following can be defined as a " non-public" forum? a. the inside hall of a convention hall. b. a public street corner c. the steps of a court house d. a school classroom question 2 why is it beneficial for the government to allow freedom of speech? a. by allowing freedom of speech, the government can improve by hearing and accepting criticism from the people. b. by allowing freedom of speech.the government can punish actions by it's citizens. c. by allowing freedom fo speech, the government will provide a diverse culture. d. by allowing freedom of speech, the government allows itself to be overthrown to create a better government. question 3 which of the following is an example of sedition? a. a socialist encourages military soldiers to leave the military before they are legally allowed to. b. a communist presents ideas for a new government. c. a student organizes a flag burning protest. d. the new york times is restricted from printing a story about a defense trial.

After studying the timeline above, what observations can you make about u.s. environmental policy between 1970 and 1996?