Ka cika wannan jumla: Saarinen masassaƙi ne wanda ya shiga reshen ƙungiyar ƙwadago a shekara ta 1934. A lokacin Yaƙin Duniya na II ya yi yaƙi da sojojin Finland. Saarinen daga baya ya zama sananne a matsayin daya daga cikin manyan shugabannin kwaminisanci a wajen Gabashin Gabas. An dauke shi a matsayin Eurocommunist wanda ke da shakku game da Tarayyar Soviet. Saarinen ya yi Allah wadai da 1968
mamayewar Czechoslovakia kuma a cikin shekarun 1970, ya yi tsayayya da kokarin masu tsattsauran ra'ayi na Stalinist kamar Taisto Sinisalo don ƙara tasirin Soviet a Finland.