Some new inventions, designs and ideas that were created in the 1780s include:
-1780 Bifocal glasses were invented by Benjamin Franklin
-1780 The circular saw was invented by Gervinus
-1784 The threshing machine was invented by Andrew Meikle
-1786 The steamboat was invented by John Fitch
-1785 The working parachute was invented by Blanchard
-1785 The power loom was invented by Edmund Cartwright
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The answer would be B) These inventions led to increased business productivity and economic growth
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The soviet union and the korean war and the u.s and all that mumbo jumbo cause alot of problems
It Demonstrates the Importance of Trade.
The main way in which the Supreme Court frustrated Roosevelt's New Deal legislation was by deeming much of it unconstitutional, since it represented an unprecedented amount of government intervention in the economy.