Concept:
After World War II, many European countries suffered severe economic destruction.
Industries, transportation systems, agriculture, and infrastructure were badly damaged.
To rebuild Europe, the United States introduced an economic assistance programme known as the Marshall Plan.
Step 1: Identify the Marshall Plan.
The Marshall Plan was announced in:
\[
1947
\]
by U.S. Secretary of State:
\[
George C. Marshall
\]
The plan aimed to provide economic aid to European nations after World War II.
Step 2: Understand its purpose.
The objectives of the Marshall Plan included:
• Rebuilding European economies
• Restoring industries and trade
• Preventing economic collapse
• Reducing the spread of communism
Step 3: Know its official association.
The Marshall Plan is officially known as the:
\[
\text{European Recovery Programme (ERP)}
\]
Step 4: Eliminate incorrect options.
• Process of decolonisation -- Not related
• Non-alignment -- Associated with Cold War neutrality
• European Recovery Programme -- Correct
• Disarmament -- Not related
Step 5: Conclusion.
Hence, the correct answer is:
\[
\boxed{\text{European Recovery Programme}}
\]