The Theme is sense of patriotism, Mark Antony is rest in a
difficult position, since he is aware of the fact that the crowd is with the
conspirators and he cannot show his dislike towards the betrayers because of
his friendship with Caesar and throughout the speech, manages to sway the crowd
against the conspirators through his rhetorical irony and strong emotion.
It's technically false that the fall of the Berlin Wall symbolized the end of communism since communism still exists, but it did mark the end of communism in Germany.