To Show The Different Times Certain Things That Happened & Past Events.
Answer:
1990
Explanation:
Accordingly, on Unification Day, 3 October 1990, the German Democratic Republic ceased to exist, and five new Federal States on its former territory joined the Federal Republic of Germany. East and West Berlin were reunited and joined the Federal Republic as a full-fledged Federal City-State.
<h2><em>A. is your answer.</em></h2><h2><em>Hope this helps and have a nice day! o/</em></h2>
