You betcha! a lot of people left because the land became usless, so many farmers( oklahoma familys)migrated to CA and other states, finding their ecomnimics and conditions better :)
I would say Lebanon and Israel. the conflict would be that the lebanon is most likely to get less water because the Jordan River doesn't enter Lebanon. and since majority of the water is going to Israel, that will cause Lebanon to get angry with Israel and most likely to start a huge conflict between the two.
I believe that one main reason why is 1. Woodrow Wilson (Who was a democrat) he believed that he did not need to bring anyone from the Senate, which was a Republican :) (I hope this helps! I read this from the internet, I was gonna post it to you but I dont know if its against the rules of Brainly :) If not let me know, and ill send the link)
B: addressee information
hope this helps!