The reign of alexander ii came to an end in 1881 when he

Assassinated

Explanation:

The reign of Alexander II came to an end when he was assassinated in 1881 by the People’s Will revolutionary group. There have been several attempts on assassinating Tsar Alexander II during his rule by the People Will group. The reason for the assassination was to overthrow Russia’s czarist autocracy.

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years