Complex sentence: It was also argued that the movement was too tied to its base, Zuccotti Park, evidenced by the fact that when the police evicted the protestors on November 15, the movement largely dissipated.
Split into simpler sentences: It was also argued that the movement was too tied to its base, Zuccotti Park. Evidence of this lies in the fact that when the police evicted the protestors on November 15, the movement largely dissipated.