How did the Louisiana Purchase change the size of the US?
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.
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- Who invented the term "horsepower"?
“James Watt came up with the term "horsepower" to help sell steam engines by comparing their power to the work of horses.”
Reference: Encyclopaedia Britannica
More from this shelf
Where did the Industrial Revolution begin?
The Industrial Revolution began in Britain around 1760, when new machines and factories transformed how goods were made and how people lived.
Fact about the prairie dog language
Prairie dogs, those little pups popping in and out of holes on vacant lots and rural rangeland, are talking up a storm. They have different "words" for tall human in yellow shirt, short human in green shirt, coyote, deer, red-tailed hawk and many other creatures.