execution of treaty造句

Many native groups, both those that have never signed treaties or those that are dissatisfied with the execution of treaties have made formal Aboriginal land claims against the government.
De N間rier erected a wooden placard on the ruins of the Gate of China, inscribed in Chinese with the words'It is not stone walls that protect frontiers, but the faithful execution of treaties '.
It's difficult to find execution of treaty in a sentence. 用execution of treaty造句挺难的