Final answer:
The inventions of the late 1800s revolutionized society in the United States by improving efficiency, communication, and production.
Step-by-step explanation:
The inventions of the late 1800s revolutionized society in the United States by greatly increasing the power of man and machine, leading to advancements in various industries. Some of the key inventions during this period include the steam engine, electricity, the telephone, the sewing machine, and the reaper. These inventions improved efficiency, communication, and production, ultimately contributing to the rise of big business and transforming everyday American life.