The United States, the first great democracy of the modern world, is also one of the best examples of a success achieved by studying and learning from earlier failures. (TOPIC SENTENCE FOR EXAMPLE 1) After just five years of living under theArticles of Confederation, which established the United States of America as a single country for the first time, the states realized that they needed a new document and a new more powerful government. In 1786, the Annapolis convention was convened. The result, three years later, was the Constitution, which created a more powerful central government while also maintaining the integrity of the states. By learning from the failure of the Articles, the founding fathers created the founding document of a country that has become both the most powerful country in the world and a beacon of democracy. (FOUR DEVELOPMENT SENTENCES TO SUPPORT EXAMPLE 1)