mass surveillance in East Germany
... that mass surveillance in East Germany was so extensive that there was one informer per every 6.5 citizens?
... that <b id="mwCSQ"><a href="./Mass_surveillance_in_East_Germany" id="mwCSU" rel="mw:WikiLink" title="Mass surveillance in East Germany">mass surveillance in East Germany</a></b> was so extensive that there was one informer per every 6.5 citizens?