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Stone tools used to kill animals were created around 2.5 million years ago in Africa.
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Fire was created so humans could warm themselves in cold weather and cook food around 1.9 million years ago.
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Humans started wearing clothes around 107,000 years ago because they were moving to colder weather and needed to warm themselves.
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Agriculture started to flourish in 8000 B.C. Humans started to grow food through the help of livestock and could provide enough food.
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Humans started using the wheel in 4000 B.C. because it allowed them to move heavy things easily.
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Began around 3500 B.C.
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The chariot started being used around 2000 B.C. Humans could move from place to place faster by using animals to pull the carriage.
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The catapult started being used around 400 B.C. for warfare. The catapult is a device used to throw a projectile for a great distance.
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Electrification is the process of powering by electricity and is usually associated with changing over from another power source.
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A way for people to get around quicker.
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Faster way of transportation.
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Faster way to communicate instead of writing letters.
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Faster way to communicate.
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