After the US Civil War, president Lincoln started the process of reunification of the country. This is known as the Reconstruction era, when former rebellious Southern States were integrated back into the Union.
But, in 1865, president Lincoln was assassinated, and his vice president Andrew Johnson took power and drove the country into the reunification. Johnson wanted to reunite the country as quickly as possible, he pardoned the Southerners in a large numbers, and provided these states with a clear path to readmission.
He returned them their property, while the former slaves were excluded, and in return, he asked that they affirm the support of the United States Constitution. But he rejected the proposal that the federal government should provide the voting rights for freed slaves.
By 1866, he announced the end of Reconstruction.
The important result of the Union victory at Vicksburg was that the Union now controlled the Mississippi River. The correct option among all the options given in the question is option "A". This also helped the Union to cut off most of the Western States from the hands of the Confederate army. Also the Union had the control over the food supplies and this made the Confederate army surrender quickly.
The answer of black males it wasnt until February 3, 1870 till african americans were permitted to vote due to the 15th Amendment
The British Isles are marked by the number 2