Einstein's two postulates of special relativity are as follows, 1. The principle of relativity: The laws of physics are the same in all inertial systems. ... The constancy of the speed of light: Observers in all inertial systems mea- sure the same value for the speed of light in a vacuum.
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Because these crops required large areas of land, the plantations grew in size, and in turn, more slaves were required to work on the plantations. This sharpened class divisions
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He asked France for help to get independence from the British
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