Did the abolishment slavery actually mean ( guarantee) freedom for African Americans?

What was an effect of the industrial revolution

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?

How did the economic impacts of the great depression differ in the united states and in the soviet union?