The president who made good on his promise to end the korean war was

It was Dwight Eisenhower. During this time war was at a stalemate as both sides wound back at the point where it all started.  They believed that neither side would make any headway.  An armistice was agreed upon by all parties and this led to the establishment of a Korean Demilitarized Zone.  On July 27, 1953, the armistice was signed and the fighting ended and peace talks began.  Though the fighting had stopped, there was no peace treaty and it was considered a draw.