Final answer:
The battle between the USS Constitution and HMS Guerriere was a significant event during the War of 1812 that boosted American morale and demonstrated naval capabilities, showing American ingenuity and strength. The correct option is option (D).
Step-by-step explanation:
The event during the War of 1812 that boosted American morale and demonstrated their naval capabilities is the battle between the USS Constitution and HMS Guerriere. Despite the British blockade of American ports and their superior numbers, the Americans managed some naval victories which improved American morale. The USS Constitution, known as "Old Ironsides," was a significant symbol of these victories.
This victory was especially noteworthy because the USS Constitution was an American-designed and constructed frigate, which showcased American ingenuity and strength. Although running away from a group of pursuing British ships for fifty-seven hours may not seem like a traditional victory, the ability to outsail the best navy in the world was a significant event that caused the Americans to rejoice and helped restore their confidence during the war.