Answer:
acquired vast amounts of land during his long reign (1533-1584)
Step-by-step explanation:
The grandson of Ivan the Great, Ivan the Terrible, or Ivan IV, acquired vast amounts of land during his long reign (1533-1584), an era marked by the conquest of the khanates of Kazan, Astrakhan and Siberia. Ivan the Terrible created a centrally controlled Russian state, imposed by military dominance.