The Greatest Accomplishment of President John Adams To fight, or not to fight? This is the very choice that John Adams faced when he was elected President of the United Sates of America. Britain and France had been fighting in Europe and, although they were both stealing our ships, they could have each used our help. It was up to John Adams’ to decide whose side to fight on and whether or not to fight at all. Adam’s decided to steer free from fighting and not enter the war at all. It was this decision which was John Adams’ greatest accomplish as President. One of the main reasons why Adam’s chose not to fight dealt strictly with mo