ruse of war
...that the improper use of a flag of truce or of the national flag is a forbidden ruse of war?
...that the improper use of a <a href="./White_flag" id="mwA90" rel="mw:WikiLink" title="White flag">flag of truce</a> or of the <a href="./National_flag" id="mwA94" rel="mw:WikiLink" title="National flag">national flag</a> is a forbidden <b id="mwA98"><a class="mw-redirect" href="./Ruse_of_war" id="mwA-A" rel="mw:WikiLink" title="Ruse of war">ruse of war</a></b>?