there will be less fish then eventually there will be no fish then people would lose there jobs and people will be mad at the people who made fish extinct.
Some problems in the fresh water biome are pollution (caused by humans), bacteria (medical problems) and over fishing. Some examples of pollution can be industrial waste, oil leakage or just plain littering.
none O_O lol
Some problems caused by war is loss of life and economic crash.
one of the things that caused some of the economic problems would be they had a bad economy and it caused there empire to be overthrown
Fighting over claims, discrimination, and economic hardship
Fishing net, internet, tennis net? more specific information is required.
There are many problems that can be caused due to overpopulation. some of them are, 1. unemployment 2. increased crime rate 3. poverty 4. pollution 5. spread of various diseases 6. congestion of land 7. deforestation, etc
a drought caused some colonist to leave tx settlement. and settlers had disputes or disagreements over land and ownership
High blood pressure and some panic problems. You could die of problems after heart transplants.
By not polluting and over fishing in the same areas
Major Boners, And extreem Happiness.
Scurvy and rickets are some health problems caused by lack of nutrition, but I don't know many more.