Hi friend :)
allow me to give you some advice to your essay...
a great number of people
Needless to say that number of ... (followed by noun with -s) e.g number of animals
Many people in some African countries , for example in some African countries , are living below the basic standards.
In conclusion, people from unfortunate countries need more international assistance while helping citizens in the home country is also necessary.
in your conclusion, I suggest you to make it more longer, and all of your opinion include in this paragraph. and you may give your suggest or advice in this part too.