What effect did the spread of islam have on slave trade ?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

What did hiram rhodes revels argue for in the senate