All must be. If there is a body of water, there must be a risk of flooding if the circumstances are right. However, Netherlands must be at most risk, because a good proportion of the country is below sea-level, and is protected by dykes. If anything should cause a dyke to fail, the results would be catastrophic flooding.
Low-laying areas close to water are at risk of flooding
disease
well... there rich so they can stop the flooding.
It isn't.
building on floodplains
Humans farm and that changes the land. They also build cities and that affects how water is absorbed into the soil. So yes, humans increase the risk of flooding.
they don't?
if it rains its more likely to get flooded
At risk of flooding which must be taken care of
It can be- most rivers are subject to flooding at times.
Elevated ridges on the side of a river, called leevees can be built to decrease the risk of flooding.
Flooding may destroy crops in which countries like Africa and some other Asian countries rely on for their economic system.