Polish-Ukrainian agreement
...that the April 1920 Polish-Ukrainian agreement became the legal justification of the Kiev Offensive against Bolshevik Russia?
...that the April 1920 <b id="mwE_E"><a href="./Treaty_of_Warsaw_(1920)" id="mwE_I" rel="mw:WikiLink" title="Treaty of Warsaw (1920)">Polish-Ukrainian agreement</a></b> became the legal justification of the <a class="mw-redirect" href="./Kiev_Offensive_(1920)" id="mwE_M" rel="mw:WikiLink" title="Kiev Offensive (1920)">Kiev Offensive</a> against <a class="mw-redirect" href="./Bolshevik_Russia" id="mwE_Q" rel="mw:WikiLink" title="Bolshevik Russia">Bolshevik Russia</a>?