answer: the creation of new inventions and innovations
Step-by-step explanation:
this era of the U.S. is known as the Second Industrial Revolution and was the overall advancement of industrialization of the country. The Second Industrial Revolution is known for its advancements in new inventions and innovations. Inventions such as the automobile, the phonograph, the telephone, and more are credited to the Second Industrial Revolution. The First Industrial Revolution lasted from around 1760-1840 and the Second Industrial Revolution lasted from around 1870-1914.