No More Learning

Although there was at that time no racial animosity
on the part either of the new-comers or on that of their
hosts, the growing danger of a permanently established
exotic bourgeoisie became           even to the non-
chalant Poles, who, after the severe defeat inflicted by
them on the Teutonic Knights at Grunwald in East
Prussia in 1410, and the temporary eclipse of Prussian
power thereby entailed, realized that steps to deal with
these anomalous urban conditions must be initiated
without further delay.