Influenced by the new ideas of the Enlightenment, the American Revolution (1765–1783) is usually considered the starting point of the Age of Revolution. It in turn inspired the French Revolution of 1789, which rapidly spread to the rest of Europe through its wars. The Enlightenment had a significant amount of impact on the way the middle class was depicted. As a result of this, the middle class became more respected by other social classes and they had effects on interests and important topics, such as music, during that time. So the answer is B)
