Be sure to choose only the arguments you will be able to illustrate and develop in your essay. Feel free to revisit your thesis statement and rewrite it while you work on your paper and want to add or change something. If you decide to use the thesis statement suggested above, you will need to write one paragraph discussing a relationship between literacy of population and economic development of the country. Another paragraph should shed light on the current situation in Africa. Try to find the latest stats on education and economy in Africa. Numbers often speak louder than words when you need to illustrate your point and to persuade readers to share your position. The third paragraph should address the question of humanitarian aid and the attitude of the locals to it. Finally, make sure to repeat your thesis statement in the conclusion part, but use different wording.
An effective thesis has a definable, arguable claim. "While cultural forces contributed to the collapse of communism in Eastern Europe, the disintegration of economies played the key role in driving its decline" is an effective thesis sentence that "telegraphs," so that the reader expects the essay to have a section about cultural forces and another about the disintegration of economies. This thesis makes a definite, arguable claim: that the disintegration of economies played a more important role than cultural forces in defeating communism in Eastern Europe. The reader would react to this statement by thinking, "Perhaps what the author says is true, but I am not convinced. I want to read further to see how the author argues this claim."