Anyone what that means so you can me plz

Gettysburg address question. what is the best line from the address? why do you think so?

Explain in detail the events that led to the fall of the soviet union. explain the importance of the foreign policy shift from brinkmanship to détente during the cold war.be sure to include evidence to support your answer describe the challenges to nation-building that exist in africa today .

An refers to a specific factor that has a range of possible values