The adoption of the Civil Constitution of the Clergy was a significant event during the French revolution because priests and bishops became elected and paid officials. It also ended papal authority over the French church
<span>Reformers in the U.S. adopted aspects of the Prussian education system, such as compulsory schooling and grade levels. </span>
The answer is: Unrest in the Russian military and civilian population
At that time, Tsar Nicholas II was known as Nicholas the Bloody or Vile Nicholas. He's not afraid to execute all citizens or other government officials who dare to undermine his rule.
His actions created Unrest in the Russian military and civilian population and people's approval toward him kept plummeting as the years go by, until eventually he was abdicated during the revolution in 1917.