Drama is defined in the text as a composition that tells a story through conflict, emotions, action, and dialogue. These qualities are also found in novels like Don Quixote because they are in general common to literature of all sorts and forms
Lusitania was an important event in World War I. The death of so many innocent civilians at the hands of the Germans galvanized American support for entering the war, which eventually turned the tide in favor of the Allies. The Lusitania was a British luxury cruise ship.
During the Civil War, Kentucky was a border state, but they on the south's side "team" (they had slaves and wanted to keep them). During this war, the north and south had a war, known as the Civil War. Abraham Lincoln wanted Kentucky on his side, the north side. Kentucky was a border state, therefore he wanted it to be on the north's side since it wasn't completely in the south. I believe he says he must have Kentucky because it's another state on his side to help with this war, if that makes sense.
The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970.