It came from Italy there was the first one to create it
It was typically John Adams.
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The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
When we did the intervention we also set ourselves up for disaster due to putting a border on Mexico making it more attractive to come illegally thru America and we deport alot of them what's hypocritical about that is if we had not put a border and not Intervened into Mexicos business, America and Mexico would have hashed out a proper plan and have made the legal idea of moving to America the only reason to go there.
Answer:
By January 1879, at his laboratory in Menlo Park, New Jersey, Edison had built his first high resistance, incandescent electric light. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting.