How did the Emancipation Proclamation change the war?%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AIt increased the number of railroads to transport soldiers.%0D%0AIt increased the number of railroads to transport soldiers.%0D%0A%0D%0AIt provided an additional source of soldiers in the North.%0D%0AIt provided an additional source of soldiers in the North.%0D%0A%0D%0AIt gave the Northerners a cause to fight for.%0D%0AIt gave the Northerners a cause to fight for.%0D%0A%0D%0AIt freed all slaves in the United States

It freed all slaves in the United States.