Pennsylvania passed the first antislavery law
Research scientists used a standard practice called the scientific method to help them understand phenomena.
The best known system is the French Ancien Régime (Old Regime), a three-estate system used until the French Revolution (1789–1799). Monarchy was for the king and the queen and this system was made up of clergy (the First Estate), nobles (the SecondEstate), and peasants and bourgeoisie(the Third Estate).
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The answer is a On June 26, 1945, delegates from 50 nations, meeting in San Francisco, signed the Charter of the United Nations (UN). This document serves as the constitution of the UN.
