15. What was one result of urbanizatior in the Gilded Age? A) Decreased rates of immigration. B) Improved living conditions for most Americans. C) Growth of political machines like Tammany Hall. D) Equal economic opportunities for all.

The correct answer is:<br /><br />C) Growth of political machines like Tammany Hall.<br /><br />During the Gilded Age, urbanization led to the rapid growth of cities, which in turn contributed to the rise of political machines. These organizations, such as Tammany Hall in New York City, gained significant power by providing services and assistance to immigrants and the urban poor in exchange for political support.