Democracy is the only system that guarantees prosperity to all Germans.
"There are some who say that communism is the wave of the future.
Let them come to Berlin."
Explanation:
President John Fitzgerald Kennedy's speech to the West Germans on June 26, 1963 and he gave them a message of hope because they were oppressed by East Germany who were communist and restricted their movements.
He made his stand that democracy is the only system that guarantees prosperity to all Germans. He makes an appeal to people that say that communism is the wave of the future to come to Berlin and see freedom and the real future.
He represents the older population of Russia, who still believed in the ways of the Russian Empire, and is cynical about the Rebellion (Russian Revolution)
it could also be <em>the </em>but i think<em> a</em> is the best option because you only use <em>the</em> if you have a doctor already, which can't be inferred here.