Explain the conditions and cause of red terror

The Red Terror started as a result of an attempt to kill Vladimir Lenin by Fanni Kaplin in August 1918 and the murder of the Cheka leader in St. Petersburg. Petersburg in 1918 was explained away as those executed were 'enemies of the state' or 'enemies of the revolution'.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;