I think its 3...................
During this era, the united states have become more prosperous and noticed an exceptional boom in enterprise and generation. but the Gilded Age had a more sinister side: It changed into a period where greedy, corrupt industrialists, bankers, and politicians enjoyed remarkable wealth and opulence at the rate of working elegance.
Is The Gilded Age drama primarily based on a real tale? No, it isn't always. but, The Gilded Age takes the region in an actual historic duration. It additionally suggests real-existence individuals, or at least, an evaluation of them.
Bernstein and Swan in all the money in the world (2008) mention the top 4 richest individuals ever—all tycoons of the Gilded Age—respectively: John D. Rockefeller, Andrew Carnegie, Cornelius Vanderbilt, and William Henry Vanderbilt. Henry Ford became ranked only the twelfth.
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During 1811 Amedeo Avogadro ‘s hypothesis that at the same pressure and temperature equal volumes of all gases carries equalnumbers of molecules. It also distinguished that the accurate interpretation in the reaction of hydrogen with oxygen to create water, he explained the reaction showing what happens on an atomic and molecular scale using the theory of Dalton.
They're called whistleblowers