Which of the Following Sequences of Events Is Accurate

Which of the following sequences of events is accurate?

A) the establishment of the United Nations, the Iron Curtain speech, the initiation of the Marshal Plan, the formation of NATO, and the death of Stalin
B) the Iron Curtain speech,the formation of NATO,the establishment of the United Nations,the initiation of the Marshal Plan,and the death of Stalin
C) the initiation of the Marshal Plan,the formation of NATO,the Iron Curtain speech,the death of Stalin, andthe establishment of the United Nations
D) the initiation of the Marshal Plan,the Iron Curtain speech,the formation of NATO,the establishment of the United Nations, and the death of Stalin
E) the formation of NATO,the establishment of the United Nations, the Iron Curtain speech, the death of Stalin, andthe initiation of the Marshal Plan