Cyanobacteria use water, carbon dioxide, and sunlight to create their food, and expel oxygen as a by-product. The real significance of stromatolites is that they are the earliest fossil evidence of life on Earth. ... They were the first known organisms to photosynthesis and produce free oxygen.
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The explorer Christopher Columbus made four trips across the Atlantic Ocean from Spain.
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From 1799 to 1815, Napoleon Bonaparte would dominate France and Europe. A hero to some, an evil force to others, he gave his name to the final phase of the revolution.
Napoleon:
Born in Corsica, a French-ruled island in the Mediterranean.
At the age of nine, he was sent to France to be trained for a military career.
Favored the Jacobins, by the age of 20 he quickly rose through the military ranks as a lieutenant.
Despite his military success Napoleon’s attempted invasion of Egypt was a disaster. He was able to hide his failed attempt from France b establishing a network of spies and censoring the press.
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The Anti Federalists opposed ratifying the Constitution because they believed it gave too much power to the federal government.
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Lewis and Clark's team mapped uncharted land, rivers, and mountains. They brought back journals filled with details about Native American tribes and scientific notes about plants and animals they'd never seen before. ... Many Americans did more than dream. The great westward expansion was about to begin.
