<span>Alexander the Great's legacy is both far reaching and profound. First, his father was able to unite the Greek city-states, and Alexander destroyed the Persian Empire forever. More importantly, Alexander's conquests spread Greek culture, also known as Hellenism, across his empire.</span><span>
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The Renaissance was a period of "<span>b. emphasis on human capacity and achievement," since this was a "re-birth" in the knowledge and spirit of the Ancient Greeks. </span>
I would say 1. The light bulb because candles were far more of a fire hazard and a lot less light 2. Electric heater because again a lot less of a fire hazard and less prep work 3.electric refrigerator because you could safely store food for a long time with out spoil and or deep freezer for the same reason. Edit: some of this you might want to reword.