How would blacks react after Union victories in the South?

The blacks would be happy that the Union were winning because they were one step away from freedom from slavery

Blacks were happy yet reluctant to feel emotion since they felt that every good thing would soon come to an end. The believed that they were getting a taste a freedom when the Union won and soon occupied the South with their various army. After being there for a few years, they felt and discrimination started up again and it was like history took a step backwards.