Complex sentence: He served as a delegate to the Continental Congress, where he signed the Declaration of Independence, served as Governor of Connecticut, and was also the first presiding officer of the Congress of the Confederation, the first central government of the United States of America.
Split into simpler sentences: He served as a delegate to the Continental Congress where he signed the Declaration of Independence. He also served as Governor of Connecticut and as the first presiding officer of the Congress of the Confederation, the first central government of the United States of America.