Neo-Slavism
... that shortly before the First World War, Neo-Slavism advocated the creation of a federation of Slavic states?
... that shortly before the First World War, <b id="mwBAU"><a href="./Neo-Slavism" id="mwBAY" rel="mw:WikiLink" title="Neo-Slavism">Neo-Slavism</a></b> advocated the creation of a federation of <a class="mw-redirect" href="./Slavic_peoples" id="mwBAc" rel="mw:WikiLink" title="Slavic peoples">Slavic</a> states?