<span>One of his biggest enemies was Duchesse d'Etampes</span>
The factors which lead to the economic development of the middle class was the postwar expansion of goods and trade. This enabled the people to acquire and sell more things and which led to the development of the middle class that could afford more things than the working class.
Answer:
The Gilded Age was characterized by really fast industrial and economic growth, from the 1870s to the 1900s. It was named after Mark Twain's and Charles Dudley Warner's novel <em>The Gilded Age: A Tale of Today</em>, which satirically describes a difficult period of living, covered and hidden with gold gilding.
The rapid expansion of industrialization was accompanied by a huge advance in transportation (railways), technologies and manufacturing (heavy industry, factories, coal mining), causing huge expansion of immigration from Europe to America, high real wage growth and individual wealth. During these years, the U.S. economy had the fastest rate of growth, with high GDP, capital formation, real wage, etc.
Maintaining a competitive business environment is an important role of government in the economy.
Thomas Paine wrote "Common Sense." It talked about the British Government and the Royal Monarchy.