Explain the effect of the cotton gin on african americans

Which of these resulted in an actual slow down or limiting of the u.s. and soviet nuclear arsenals?

According to the map, most mining occurs in the a.northern b.southern c.eastern d.western

How has urban renewal affected poorer neighborhoods in major cities? check all that apply. 1. communities have been transformed to meet the needs of the modern population. 2. old stores and factories have been renovated and used for new purposes. 3. crime rates have increased as more money has come into the neighborhoods. 4. many community businesses have gone into decline or been forced to close. 5. a number of african americans have been displaced from their homes.