The main items traded were gold and salt. The gold mines of West Africa provided great wealth to West African Empires such as Ghana and Mali. Other items that were commonly traded included ivory, kola nuts, cloth, slaves, metal goods, and beads.
FDA (Food and Drug Administration) is the US government agency responsible for regulating medications.
The 15th Amendment: Allowed African men the right to vote, stating the "right to citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude"
The answer is ex post facto. This is a law where in it
changes retroactively in terms of consequences that are considered to be legal.
With this, it allows convicted criminals to have no increase in their sentences
because of this law.