Complex sentence: The Kosmische Runde (Cosmic Circle) was a group of intellectuals in Munich, who mixed paganism, anti-Semitism and mysticism to form an intellectual basis for the NSDAP.
Split into simpler sentences: The Kosmische Runde (Cosmic Circle) was a group of intellectuals in Munich, who mixed paganism, anti-Semitism and mysticism. Some have seen the Circle as advocating ideas that eventually form an intellectual basis for the NSDAP.