Final answer:
President James Monroe's Good Will Tour took place in 1817 during the Era of Good Feelings to promote national unity after the War of 1812.
Step-by-step explanation:
The First National Officer 'Good Will Tour'
The first national officer 'Good Will Tour' took place following the War of 1812 during the 'Era of Good Feelings.' President James Monroe embarked on this tour in 1817 to unify the country and mend the regional divisions that had grown during the war. Particularly noteworthy was the warm reception he received in the old Federalist stronghold of Boston, which signaled the national unity and patriotism during that period. The goodwill tour was a significant event in American history, representing the national harmony and optimism following a period of conflict and division.