What were Lenin's ideologies and how did they differ from, his successor, Stalin's ideas? What did these 2 people do differently to make the best of the USSR

How did conservatism affect the nationalist movements in europe?

How were castas paintings used to stabilize a society?

Plz i need this answer t-t in a couple of paragraphs, list two reasons why florence is the birthplace of the renaissance. explain how these reasons contributed to the renaissance