Answer:
They became prisoners of the war so they did not have no time to heal
Step-by-step explanation:
The official surrender ceremony occurred a few days later, on the 12th. Though Lee’s army had surrendered, the war wasn’t over. There were still other Confederate troops in the field. But the Army of Northern Virginia had not only been the most successful of the Confederate armies, it—and Lee—had also taken on a symbolic power. So as other Confederate generals heard of Lee’s surrender, they too began to capitulate over the next month. President Andrew Johnson officially declared an end to hostilities on May 9.