Polish-Romanian Alliance
...that although the Polish-Romanian Alliance, an important alliance of the 1920s, was still in force when the Second World War began, it had little impact on the German invasion of Poland in 1939?
...that although the <b id="mwAsw"><a class="mw-redirect" href="./Polish-Romanian_Alliance" id="mwAs0" rel="mw:WikiLink" title="Polish-Romanian Alliance">Polish-Romanian Alliance</a></b>, an important <a href="./Alliance" id="mwAs4" rel="mw:WikiLink" title="Alliance">alliance</a> of the 1920s, was still in force when the <a class="mw-redirect" href="./Second_World_War" id="mwAs8" rel="mw:WikiLink" title="Second World War">Second World War</a> began, it had little impact on the <a class="mw-redirect" href="./Polish_September_Campaign" id="mwAtA" rel="mw:WikiLink" title="Polish September Campaign">German invasion of Poland in 1939</a>?