Some believe that the term dialectic refers back to dialect, dialogue,
hence conversation. The conversation leading to the Constitution of the
United States was reportedly a 15 year dialogue before being achieved.
Wilhelm Hegel, eighteenth century philosopher, was credited with the shift
that occurred in France because of his work, Phenomenology of Spirit. The
French Revolution began concurrent with the completion of his work.
We are in the philosophic period of Ayn Rand, where selfishness dominates.