Question

Which of the following events occurred in Russia and led to the establishment of the October Manifesto, which promised more rights to Russians? Hundreds of protesters were shot after Father Gagon led them to the Winter Palace to demand reform; this was known as Bloody Sunday. Alexander II freed serfs and gave them land in hopes of developing a market economy. Jews were attacked, being blamed for the assassination of Alexander II. A secret society known as the Decembrists led a revolt against Nicholas I.

Answer 1

All the choices happened and led to the October Manifest.  We will put them down to make it easier for us to understand.

In 1825 (D). A secret society known as the Decembrists was formed led revolution against Nicholas I 
Then in 1861 (B. )Alexander II  had the freed serfs and distributed lands among them hoping that it would develop an economic development
In 1881 (C. )Jews were attacked, and  Alexander II was blamed for the assassination.
Then, lastly in 1905 (A.) Father Gapon and hundreds of protester were killed when they marched to the Winter Palace

Because of this, the October Manifesto was crafted by Nicholas II which gives people more freedom in expression as well as other aspects.