From the 2002 IBDP History Paper 2 exam:
Assess the significance for the development of the Cold War between 1945 and 1950 of three of the following:
The Yalta Conference, 1945
The Iron Curtain speech, 1946
The Truman Doctrine and the Marshall Plan, 1947
The expulsion of Yugoslavia from the Soviet block, 1948
The Berlin Blockade and Airlift, 1948-1949
The formation of NATO, 1949.
From a former student written under test conditions:
(click to enlarge):
