Depends on what time period your referring to but i believe this is The Mandate Of Heaven.
Answer:
On 17 July 1918, in the wake of the Russian Revolution of 1917, the last Russian royal family – the Romanovs – were brutally murdered by Bolshevik revolutionaries. Their deaths marked the end of a dynasty that had ruled Russia for more than 300 years.
Answer:
well it is to be a threat to the.......................
I believe its either A or C. Im thinking A more than C though