Four countries, A, B, C and D, trade internationally. Each circle in the diagram represents a free trade area between the countries within the circle. A country can belong to more than one free trade area. Countries outside of a circle face trade barriers. Which country has the greatest opportunity to benefit from free international trade? [Figure 21.1]
✓ Correct Answer
The correct answer is B: B
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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