The 3 major Rivers are the Seine River, Rhone River and the Loire River
Answer: Religious individuals were targeted because they disagreed with what was happening. If anyone disagreed with what the Nazi party believed in-- along with Hitler in general-- They would be sentenced. Back then, they abused their power to a horrible extent. The sentencing question will be different with each person you ask. However, I believe that people who were religious should not have been charged or injured in any way. Nazis, on the other hand, deserve the same treatment that they gave.
The spread of AIDS in Africa could affect the economies of that continent in such a way that there is a drop in the number and productivity of workers. If there is AIDS, many people will get infected and unfortunately they will not be able to work and provide for their families of their country.
One of the most important was climate changes. As climate changed, nomads had to find new places to migrate to which led to people going to areas that were uninhabited before. Another was the development of agriculture which more or less ended the nomadic way of life when people started settling.