Flooding can affect rivers because river flooding causes things to be picked up from the streets and pulled back into the water. So It affects the water quality and if anything dangerous to the fish and water life gets in the water it will mess up their life system. Hope this helped a little bit. :)
Debes tener un territorio definido. Debes tener una población permanente. Debes tener un gobierno. Su gobierno debe ser capaz de interactuar con otros estados. Esos son solo algunos de los requisitos
A farmer would choose to live in this area most likely because the land in here has many agricultural advantages that can be utilized for farming. Also, these lands are known to be the most fertile in that area. Flooding also helps in preventing weeds and keeping the soil healthy.