Explanation:Floods: overflow to water onto the land that is usually dry.Causes of the flood:overflow of riverexcessive rainfallDam failureWhenever a flood occurs the water comes all over the land.If the flood continues for a longer period.Then people living in that area have to move from there.Thus, a place that has experienced prolonged floods will cause displacement of people Additional InformationResettlement: this is the act or instance of shifting to another place.example: a person shifting from Mumbai to Delhi.Repatriation: to return to the country of origin.example: prisoners of war were repatriated back.?Rehabilitation: setting up things again that were disturbed from the original state.For example, The forest is rehabilitated after its destruction by fire.