How old is barrack obama

What effect did the process of urbanization in europe have on the economies of europe? and what document would support the answer?

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?

Why is james madison significant in regards to the bill of rights?