Already a large part of their Army in March and April overruns boundaries of the agreement.
See my previous post.
The sheer number of the prisoners who surrendered to them suggests the power of the French, English and American armed forces. In three days, 17,000 men surrendered. Since the beginning of Marshal Foch's counterattacks 100,000 prisoners have been captured.
In the battle of the Somme of 1916, the English Army, who fought on the same ground as they do now, thought it was a good achievement taking 7500 prisoners in ten days. This comparison shows how much weaker the German resistance has become and how the power of the allies has increased.
In only three weeks it can be done.
Where does that come from? You're missing "There can only be one end."
The rest seems ok to me.