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20,000 Years Ago, Ancient North Americans Used Primitive Vehicles
In New Mexico, archaeologists identified 20,000-year-old human footprints and drag marks that they believe were left by a ...
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Why some places drive on the left side of the road
The practice is believed to date back to ancient Rome. Romans steered their carts and chariots with the left hand, to free up the right so they could use weapons to defend against enemy attacks.