<span><span><span>The Niger River flows through Guinea,</span> <span>Mali,</span> <span>Niger,</span> <span>Benin,</span> Nigeria </span></span>
Answer:
It gave the Union army control of the Mississippi River
These amendments were subsequently reduced to the twelve amendments passed by Congress and sent to the states on September 25, 1789. A bill of rights as provided in the ten original amendments to theconstitution of the United States in force December 15, 1791.