The Black Death is estimated to have killed 30–60% of Europe's total population. In total, the plague may have reduced the world population from an estimated 450 million down to 350–375 million in the 14th century.
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The Roman Empire in the east transformed into the Byzantine Empire over time, so it's pretty hard to neatly separate the histories of the two empires, but most scholars agree that Emperor Constantine's reign was the start of the Byzantine Empire.
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Answer: Source 1- Who were Bell and Gray? Alexander Graham Bell was an Inventor. And Elisha Gray was a gifted electrical engineer.
Source 1- Bell was a inventor, and Grey was a engineer.
Source 1- Why did they create the inventions? They created the inventions because people wanted more and the telegraphs weren't enough.
Source 2- I would say they both had a hand in the first telephone. People are still debating on who is the true inventor. Even though Gray submitted the application first.
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Answer:
Family also has a recreational function. Earlier, most recreation was family- based. Family gatherings during festivals, functions, family reunions, marriages, brought entire families together. Now-a-days, taking family members out on holidays or for movies, plays, dinners, or parties.
Explanation:
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On June 11, 1776, Congress appointed a "Committee of Five", consisting of John Adams of Massachusetts, Benjamin Franklin of Pennsylvania, Thomas Jefferson of Virginia, Robert R. Livingston of New York, and Roger Sherman of Connecticut, to draft a declaration.