A! The illness of aids started in africa
Answer:
Developed nations are generally categorised as countries that are more industrialised and higher per capital income levels. Developing nations are generally categorised as countries that are less industrialised and have lower per capital income levels.
Social Darwinism was most likely applied to treat immigrants from different regions differently, however, Social Darwinism does not specifically relate to immigrants but also to all members of society. In the American context, the notion was implemented to popularize the notion of "survival of the fittest" or that the strongest members of a society will succeed and the political system should support this theory.
They used it to control their government.
I believe the answer is: Divided government
With this system, the losing party could take the opposition stand from the winning party. Even though this might make the government activities become more complicated, it would prevent one party from obtaining too much power within the government.