Probably (3) Both communist...
..considering the economies of the two nations (almost non-existent) based upon internal market or upon trade with the "mother" communist nations (URSS for East Germany and China for North Korea).
A. It ignored the opinions of many countries, primarily Germany, as shown in the other options.
I believe it's called "<span>Juneteenth."</span>
B. Because the wall was built, The USA brang goods into Berlin.