Actions to the Dismantling of the Berlin Wall Included All

Actions to the dismantling of the Berlin Wall included all except:

A) Soviet Union allows open boarders for East German Industrial workers.
B) Hungary opened its boarders with Austria.
C) East Germans register their discontent with worsening condition through illegal migration out.
D) evidence of widespread government corruption forced resignation of premier Erich Honecker.
E) the east German government open it boarders with Czechoslovakia.