Original sentence: The Memorial was probably the last to be erected to the memory of those who sacrificed their lives in World War I, and is “the symbol of Remembrance in memory of a Nation’s sacrifice”
Edited sentence: The Memorial was probably the last to be erected to the memory of those who sacrificed their lives in World War I, and is one of the finest if not the best in the world “the symbol of Remembrance in memory of a Nation’s sacrifice”