Complex sentence: After ratification in eleven states, in 1789 its elected officers of government assembled in New York City, replacing the earlier 1781 Articles of Confederation original Constitution has been amended twenty-seven times.
Split into simpler sentences: After ratification in eleven states, in 1789 its elected officers of government assembled in New York City, replacing the earlier 1781 Articles of Confederation government. Following its establishment, the original Constitution has been amended twenty-seven times.