The Constitutional Convention began on May 25, 1787. George Washington was elected president of the convention. The first rule they passed was one of secrecy, prohibiting leaks for four months. Their first major decision was to replace the Articles of Confederation rather than just reform them. There was conflict between large and small states over representation, but this was resolved by the Connecticut Compromise which created a bicameral legislature with representation based on population in the lower house and equal in the upper house.