Answer:
Archaic Language
Lincoln opens the speech with archaic language, the phrase "four score and seven." Using archaic language, or language older than is used in daily life, is a rhetorical marker. This phrase signals that what follows will be distinct from daily discourse because the language used is special and elevated.
Ummmm just tell her that ur discovering who you are as a person K guess I don’t know. XD and this is gross ngl lol
to express his fear that America will forget its original dedication to the ideals of freedom