drew up plans
... that, during the height of the Cold War, the Canadian government drew up plans for mass arrests of communists and crypto-communists?
... that, during the height of the <a href="./Cold_War" id="mwCaE" rel="mw:WikiLink" title="Cold War">Cold War</a>, the <a href="./Government_of_Canada" id="mwCaI" rel="mw:WikiLink" title="Government of Canada">Canadian government</a> <b id="mwCaM"><a href="./PROFUNC" id="mwCaQ" rel="mw:WikiLink" title="PROFUNC">drew up plans</a></b> for mass arrests of <a href="./Communism" id="mwCaU" rel="mw:WikiLink" title="Communism">communists</a> and <a href="./Crypto-communism" id="mwCaY" rel="mw:WikiLink" title="Crypto-communism">crypto-communists</a>?