The correct answer is D) a new Opera House in Atlanta, Georgia.
What showed that new cultural ideas were growing in the South in the late 1800s was a new Opera House in Atlanta, Georgia.
DeGive's Opera House was the name of the Opera House in Atlanta in the late 1800s. It was the idea of Laurent DeGive, Belgium Consul, that repaired an old building in downtown Atlanta. The presence of this Opera House allowed the spread of a new form of art and cultural ideas in the Southern region, a very important thing for this part of the country after many civil conflicts.