With the Constitution firmly established as the Law of the Land, the federal government was up and running, and in much better shape than it had been under the Articles of Confederation. Probably the most obvious change was that the United States finally had an executive officer as head-of-state. George Washington and then John Adams were our first two Presidents to fill that role, and in these 12 years, many patterns, traditions, and precedents were set that affected the United States of America for centuries.