The Andes are labeled with number 4.
The region labeled with number 3 is Patagonia.
Along with the fact that the infrastructural and industrial levels of the African colonies was never really developed by Europeans, the many various and opposing ethnic groups had no one to keep them in check now. As a result many civil wars took place between different religions, specific religious denominations, and specific ethnic groups of said religious denominations. Also nearly all of the leaders that broke free of European rule were woefully unprepared to lead a country both governmentally and economically. All of these factors are what lead to Africa's current problems.
We should care about the earth every day, not just on a singular day. though it is a great thing to celebrate! the earth has given us so much and we should be more thankful and take better care of everything.