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George Michael is an English singer and songwriter who was born in June 25, 1963 in London and died in December 25 ,2016.
He had sold over 150 million records all over the world .
He acts on movies like freedom; live in London ;Deadpool ;the queen phenomenon ;live aid;etc.
He is a famous singer having millions of fans.
"I hope therefore that for our own sakes as a part of the people, and for the sake of posterity, we shall act heartily and unanimously in recommending this Constitution (if approved by Congress & confirmed by the Conventions) wherever our influence may extend, and turn our future thoughts & endeavors to the means of having it well administred."
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The Natives wanted the colonists off their land, so they used the British as a way to do that. And the British provided protection for the Natives.
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Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.