Some of the inventions that revolutionized American life in the late 1800s are:
- Telephone. <span>Alexander Graham Bell invented the “electric speech machine,” or telephone, in 1876 which revolutionized the way people speak and communicate to people.
-QWERTY. </span><span>The QWERTY is the most used keyboard nowadays. It was created by Christopher L. Shole in 1874. He is the one who introduced the QWERTY keyboard to the world.
- American Football. American Football is nowadays one of the biggest sport of the United States. The invention of it was credited to Walter Camp. The first professional game of football was held in 1892.
- Skyscraper. The first skyscraper, known as the 10-story Home Insurance Company Building in Chicago was designed by architect William Le Baron Jenney. </span>
The states printed their own money. there was no national currency.
Tropical climate receives the most solar energy
The answer is A. They were serving for pay and were willing to switch sides.
