Hippocrates - Medicine
Euclid - Mathematics
Answer:
An era is a span of time defined for the purposes of chronology or historiography, as in the regional eras in the history of a given monarchy, a calendar era used for a given calendar, or the geological eras defined for the history of Earth. We study history by era to make it easy to divide periods in the past.
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Answer:
The siege began on April 19 after the Battles of Lexington and Concord, when the militia from surrounding Massachusetts communities blocked land access to Boston. The Continental Congress formed the Continental Army from the militia, with George Washington as its Commander in Chief.
He led the Soviet Union with an iron fist, using<span> Five-Year Plans to increase industrial production and terror.</span>
THE Americans ended up getting very angered with the French because of how the French so easily got in to America.
This caused a War (The Civil War to be exact)