Usually the flood season produced a “good nile,” just the right amount of water. what might be the consequence of a “bad nile” – too much or too little water?

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)