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who was an american enlightenment thinker who investigated the nature of lightning invented the pennsylvania fireplace, and found the united states?
benjamin franklin.
john locke.
william penn.
sam adams.

An additional item of interest about Ben Franklin:

When Ben Franklin was a young man of 20, he set out on his goal of achieving perfecion.  In his words:  “I conceiv’d the bold and arduous project of arriving at moral perfection. I wish’d to live without committing any fault at any time.”   He created a list of thirteen virtues to which to devote himself, such as industriousness, sincerity and moderation.     Franklin kept with him a small recording book, with a chart for each of his virtue-oriented goals.  He would evaluate himself each day and mark any time he violated one of the virtues.  His goal was to get the number of bad marks in his book down to zero and thus be living a "clean" life.  He never got through a day completely "clean," without violating one or another virtue in some way.   But he said of the project: “Tho’ I never arrived at the perfection I had been so ambitious of obtaining, … yet I was, by the endeavour, a better and a happier man than I otherwise should have been.”

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

give me brainliest

a standing committee

explanation: