How did the Emperor deal with traitors?

Why did stalin want control of eastern europe after ww2?

What emperor was given credit for having the aqueducts built

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?