1 IGCSE History resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE SubjectClear filter History Exam board CIE TopicClear filter HOW SECURE WAS THE USSR’S CONTROL OVER EASTERN EUROPE, 1948- C.1989? What was the significance of ‘Solidarity’ in Poland for the decline of Soviet influence in eastern Europe? Resources Mindmap Solidarity in Poland IGCSE, History Mindmap Search again