mass incidents
... that income inequality in China is considered to be a major cause of mass incidents?
... that <a href="./Income_inequality_in_China" id="mwAso" rel="mw:WikiLink" title="Income inequality in China">income inequality in China</a> is considered to be a major cause of <b id="mwAss"><a href="./Mass_incidents_in_China" id="mwAsw" rel="mw:WikiLink" title="Mass incidents in China">mass incidents</a></b>?