Answer:
The difference between monarch and president is that monarch is a ruler of an absolute monarchy or the head of state of a constitutional monarchy while president is the head of state of a republic, a representative democracy and sometimes a dictatorship.
Step-by-step explanation:
"Adams himself showed a fondness for monarchy, and in his own writings classified America as a "Monarchial Republic", by which he meant that the executive power was in the hands of an individual, and was a republic in so far as the constitution provided for the representation of the people."