Well since the Confederate flag is not a 'representation of slavery', to back down from your principles in the face of adversity, is nothing more than surrendering to the will of others.
And since you say the Confederate Flag is a 'representation of slavery', then, since the "north" also owned slaves ,before and AFTER the civil war, why is the American flag considered a 'representation of slavery'?
"why is the American flag considered a 'representation of slavery'? "
Sorry!
should have read 'why ISN'T the American flag'.
If he allowed her to wear it, the headline would be 'Principal let girl wear offensive dress' and the NAACP would be suing the school district.