The correct answer to this open question is the following.
You forgot to include the inscription to know what you are referring to.
However, doing some research we can comment on the following.
If the inscription refers to the Anderson Division of Hills Corps of the Florida Infantry, then our comment would be the following.
this inscription be
This inscription might be considered "controversial" by a number of Americans because it only refers to the 1st Florida Infantry Regiment that was formed by the Confederate state of Florida in times of the Civil War. Along with the 3rd Regiment, they fought in Tennesse as part of the battles fought in the American Civil War.
The inscription does not consider the black soldiers of the Union Army that were also killed in the battle site, so that is why people, in this tumultuous times of change, consider the inscription controversial.