Maxim Litvinov, who had been People's Commissar for Foreign Affairs (Foreign Minister of the USSR) since 1930, considered Nazi Germany to be the greatest threat to the Soviet Union. However, as the Red Army was perceived as not strong enough, and the USSR sought to avoid becoming embroiled in a general European war, he began pursuing a policy of collective security, trying to contain Nazi Germany via cooperation with the League of Nations and the Western Powers. The Soviet attitude towards the League of Nations and international peace had changed.