Why do you think incas wanted to connect all parts of their empire with roads?

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?

Describe the first sit-in and its impact on the civil rights movement.

Which of the following was a typical tactic of nativists in the late 1900?