In science the word "theory" basically means a model that has been confirmed countless times and never dis-confirmed (such as the theory of gravity). We call it a theory because it's something we had to discover and it was at first not certain.
<span>"The House of Burgesses was created by the Virginia Company as part of an effort to encourage English craftsmen to settle in North America and to make conditions in the colony more agreeable for its current inhabitants. The House of Burgesses was the first legislative assembly of elected representatives in North America."</span>
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The first Persian invasion of Greece, during the Greco-Persian Wars, began in 492 BC, and ended with the decisive Athenian victory at the Battle of Marathon in 490 BC.
<span>The Second Continental Congress adopted the U.S. Declaration of Independence on July 4, 1776. It met from May 1775 to March 1781 and served as the de facto national government of the American colonies during the Revolutionary War</span>
