The President of the United States is the Commander in Chief of the United States Armed Forces.
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Determine whether the ramp allows students using wheelchairs, braces, and crutches to enter the school more easily.
Both Galileo and Copernicus argued in favor of heliocentricism, or that the sun is the center of the solar system. This was very controversial at the time wherein most people believed the Earth was the center of the universe.
