Who was the powerful and ruthless leader of the soviet union from 1929-1953 who also ordered the great purge in which he had his real name and imagined enemies arrested?

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

What is institutional discrimination in the social work field

What is the liberal pov on social issues