Three initiatives followed: Stalin delayed the withdrawal of Soviet troops from northern Iran, where they had been stationed since 1942 as part of an Anglo-Soviet arrangement to keep that country’s oil supplies out of German hands. He demanded territorial concessions from Turkey as well as bases that would have given the U.S.S.R. effective control of the Turkish Straits. And he requested a role in the administration of former Italian colonies in North Africa with a view to securing one or more additional naval bases in the eastern Mediterranean.