Ivan iii made an early contribution to the eventual resurgence of russia by
ridding the country of the vikings' rule.
bringing in foreign architects to rebuild moscow.
building the city of kiev into a trading center.
becoming the most influential leader of russia.
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Becoming the most influential leader of Russia.

Explanation:

He enlarged the size of  Russia considerably and called himself the "Duke of All Russias," the first ruler who manifested a pretension to rule all the Russian lands.  He proclaimed Moscow to be the Third Rome, built the Kremlin and laid the foundations of strong 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