A-Spanish Conquistador, hope it helped
GDR authorities officially referred to the Berlin Wall as the Anti-Fascist Protection Rampart (German: Antifaschistischer Schutzwall). The West Berlin city government sometimes referred to it as the "Wall of Shame", a term coined by mayor Willy Brandt in reference to the Wall's restriction on freedom of movement.
Answer:
A. B. D.
Explanation:
The major reasons why the U.S was involved was because german unrestricted submarine warfare destroyed allied ships carrying american passengers.