AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Advancement of international trade is an index of a country's economic prosperity; therefore, it is considered the economic barometer for a country.
Source: International Trade, Chapter 7
The key phrase examiners expect is "economic barometer." The passage directly states this, so reproduce it accurately. Avoid vague answers like "it shows how rich a country is." One precise line is enough for 1 mark.