When this treaty was concluded, the powerful countries of Western Europe were spreading into East Asia, holding up the modern international law on one hand but practicing the principle of survival of the fittest on the other hand.
この条約が締結される頃の東アジア世界は、近代的国際法を掲げながら、実際には弱肉強食を旨とする西欧列強が浸透してくる時期にあたる。