Mayan ruins remain even today in Cenkal America. Historical Context: The 13th, 14th, and 15th Amendments gave African-Americans several important rights and freedoms. The documents have been edited for the purpose of this exercise. Background Information: "The Five Year Plan was an attempt by China to boost her industry and set her on the path to become a world class power. Prompt: Analyze and discuss the causes and consequences of the Great Depression of — For 13 days, the Soviet Union and the United States were on the brink of nuclear war.