Freedom is the power or right to act. In East Berlin by building this wall you are taking away the people’s freedom or right to act. In Reagan’s speech he states “Freedom leads to prosperity. Freedom replaces the ancient hatreds among the nations with comity and peace. Freedom is the victor.” Reagan says this with such a ferocity in his voice that everyone in the audience, or anyone who reads this speech now can not help but to believe what he is saying. You can infer in Frost text that if the physical wall comes down then the narrator’s internal wall will come down with it, thus giving him freedom.
