Easier to destroy

1) What does this mean?
Well it means that people start writing on the walls so the school has to fix it.
2)Where have yo seen it happen?
I didn't see it happen but if I do see it then I don't know what to do. Usually I'll tell the dean Mr. Markus.
3)Why is it important to fight against this?
Its important to fight against this is because people will start writing again. Then other kids will start writing on the walls.