Bartolomé de Las Casas. ... Bartolomé de Las Casas, (born 1474 or 1484, Sevilla?, Spain—died July 1566, Madrid), early Spanish historian and Dominican missionary who was the first to expose the oppression of indigenous peoples by Europeans in the Americas and to call for the abolition of slavery there.
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The Light Bulb, existed back then, but was very expensive to run, and needed a lot of power. This meant that regular consumers, could not use it. With the invention of the incandescent bulb, anyone in any household could flick a switch. This jumpstarted new inventions, which make the world what it is today.
The judicial branch interprets the laws
