With ethnic conflicts, the main reason they occur is because of resources. if it was merely because of beliefs or culture of some inherited sort, there would be no end to conflicts, as they would merely occur whenever, yes? this means that people of the third world are at ease with each other so long as they have enough for themselves, of course. So, what to do? most resources take a lot of or include water and food. food can be planted or hacked off of animals, so long as there is water, yes? the obvious solution to this is to get water to the inland areas, what with the events leading to desalination plants.