Answer:
The Union army's victory in the capture of Atlanta was probably critical to Lincoln's reelection in 1864.
Step-by-step explanation:
The surrender of Atlanta to Union Gen. William T. Sherman on September 2, 1864, helped increased the chances of president Abraham Lincoln to get reelected. Before that event, many politicians and observers were pessimistic about his chances, because it had been a rather bad year for the Union army.