The answer is Sinners in the Hand of an Angry God
The Great Awakening was a series of Christian revivals, so a sermon on sinners fits the timeframe.
Learning to write/memorize it
Flying Tigers. The 1st American Volunteer Group (AVG) of the Chinese Air Force in 1941–1942, nicknamed the Flying Tigers, was composed of pilots from the United States Army Air Corps (USAAC), Navy (USN), and Marine Corps (USMC), recruited under presidential authority and commanded by Claire Lee Chennault.