Respuesta :
Pennsylvania, Gettysburg, Address
The words that should be capitalized are: Pennsylvania, Gettysburg, and Address. Pennsylvania is a proper noun that is a name of a place. Gettysburg Address should also be capitalized because it is the title of the famous speech that Abraham Lincoln. It is the speech that paved the way to democracy with the well-known phrase: a government of the people, by the people and for the people.
Pennsylvania, Gettysburg, Address is the anwser hope this agrees with the question :)