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First teaching 2024

First exams 2026

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Cominform, 1947 & Comecon, 1949 (Edexcel GCSE History)

Revision Note

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Zoe Wade

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Zoe Wade

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History

How did the Soviet Union Combat the Truman Doctrine & the Marshall Plan? - Summary

President Truman believed that richer countries would find it easier to resist communism. Therefore, the Marshall Plan was created to provide countries across Europe with economic aid.

The Truman Doctrine and the Marshall Plan angered the Soviet Union. Stalin believed that the USA had deliberately split Europe in two and that it was clear the USA was trying to spread capitalism.

Stalin created two new organisations to maintain greater control over the communist countries of Eastern Europe.

In 1947, Cominform was established to ensure that members retained their communist governments and removed any opposition. Members were also discouraged from communicating with Western countries.

In 1949, Comecon was Stalin’s attempt at deterring countries away from Marshall Aid. Members were encouraged to trade with each other and introduce communist policies like the collectivisation of land and the nationalisation of industries.

What was Cominform?

  • Stalin was concerned about the threat to communism caused by the Marshall Plan

  • Cominform was set up on 22nd September 1947 in response to the Marshall Plan

  • It allowed Stalin to direct and control the governments of the satellite states as well as the communist parties of other countries in Europe

  • Yugoslavia was removed from Cominform in 1948 after growing tensions with the Soviet Union

Aims and membership of Cominform

Diagram explaining aims and members of Cominform, or Communist Information Bureau. Aims include political control of Europe, blocking Marshall Aid, and discouraging non-communist contact. Members include Soviet Union, Bulgaria, Czechoslovakia, Hungary, Poland, Romania, Yugoslavia, France, and Italy.
An illustration showing what Cominform was

What was Comecon?

  • Stalin did not allow communist states to accept Marshall Aid 

  • However, it was clear these states needed financial aid to ensure they remained communist

  • Comecon was set up on 25th January 1949 in response to the Marshall Plan

  • It allowed Stalin to provide an alternative to the Marshall Plan and improve the economies of the satellite states

    • Bulgaria’s trade with other Comecon members increased from 10% in 1931 to 90% by 1951

    • In line with communist beliefs, each member nationalised their industries and collectivised their agriculture

Aims and membership of Comecon

A flowchart explaining Comecon with aims to keep economic control of Europe, discourage trade with the West, and members including Soviet Union, Bulgaria, and others.
An illustration showing what Comecon was

Exam Tip

Students often mix up Comecon and Cominform because they sound similar. To help with this, remember that Comecon has 'econ' in the word. This should remind you that Comecon focused on the economy.

The USA’s Response to Cominform and Comecon

  • Stalin created Cominform and Comecon in response to the Marshall Plan

  • This increased the tension between the capitalist West and communist East because each country had accepted support from either the USA or the Soviet Union

How did Marshall Aid, Cominform and Comecon increase US-Soviet tensions?

Illustrated comparison of the Marshall Plan and Cominform/Comecon plans, showing US with Western Europe and USSR with Eastern Europe, symbolising Cold War divisions.
An illustration showing Increased tensions between the West and East after the creation of the Marshall Plan, Cominform and Comecon
  • In 1949, a new military alliance called the North Atlantic Treaty Organisation (NATO) was created by the USA, partly in response to Cominform and Comecon

Worked Example

Explain one consequence of the creation of Cominform and Comecon

4 marks

Answer:

One consequence of Cominform and Comecon is the increased tension between East and West. Cominform and Comecon unified the Soviet Union with Eastern European countries' economies and politics. This caused the East to become further isolated from the West. Eastern Europe lost the limited amount of independence that they had. They had to follow the Soviet Union's economic and political visions. As a result, Cominform and Comecon caused more tension and suspicion between the communist Soviet Union and the capitalist USA.

Exam Tip

In this example, you can see the development of wider knowledge of the period. The example has linked Comecon and Cominform with the lack of freedom in Eastern Europe. The understanding of what life was like in the satellite states of Eastern Europe is significant to understanding why Comecon and Cominform increased tensions between the USA and the Soviet Union. 

This question has previously asked you to explain two consequences. In the Superpower Relations exam paper for 2025, this question will ask you to explain one consequence. However, there will be two different "Explain one consequence of" questions, each worth four marks.

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Zoe Wade

Author: Zoe Wade

Zoe has worked in education for 10 years as a teaching assistant and a teacher. This has given her an in-depth perspective on how to support all learners to achieve to the best of their ability. She has been the Lead of Key Stage 4 History, showing her expertise in the Edexcel GCSE syllabus and how best to revise. Ever since she was a child, Zoe has been passionate about history. She believes now, more than ever, the study of history is vital to explaining the ever-changing world around us. Zoe’s focus is to create accessible content that breaks down key historical concepts and themes to achieve GCSE success.