<a href="https://en.wikipedia.org/wiki/Leon_Trotsky" id="mwbw" rel="mw:WikiLink" title="Leon Trotsky">Leon Trotsky</a> is expelled from the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Soviet_Communist_Party" id="mwcA" rel="mw:WikiLink" title="Soviet Communist Party">Soviet Communist Party</a>, leaving <a href="https://en.wikipedia.org/wiki/Joseph_Stalin" id="mwcQ" rel="mw:WikiLink" title="Joseph Stalin">Joseph Stalin</a> in undisputed control of the <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwcg" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a>.