The soviet union had a total of two leaders between the early 1920s and the early 1950s what were their names?

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

Why did siddhartha gautama leave home at age 30? a. to find answers to his questions about human life b. to establish a religion that was better than hinduism c. to those who felt pain and suffering in life d. to spread his new religious ideas to other people

Which physical feature minimizes population density in northern africa?