How did Joseph Stalin contribute to modern history?

Stalin led his country through the post-war reconstruction, during which it developed a nuclear weapon in 1949. ... Since the dissolution of the Soviet Union in 1991, Stalin has retained popularity in Russia and Georgia as a victorious wartime leader who established the Soviet Union as a major world power.

Explanation:

Here is what google says. It is going to have to be put into your own words but this is what he did. Hope it is helpful.

The primary effect of cultural exchange between Europe and the Islamic world was that Muslim goods and knowledge led to some advancements in European society. One advancement example is the number system.