Which industry is crucial for regional integration to enable cross-border trade?EducationEntertainmentRoad infrastructureHospitalityI don't know

Analysis of the Options

1. Education: While education can play a role in creating a knowledgeable workforce and fostering cross-cultural understanding, it is not directly responsible for enabling cross-border trade.

2. Entertainment: This industry can contribute to cultural exchange and tourism but doesn't directly facilitate trade across borders.

3. Road Infrastructure: Road infrastructure is essential for facilitating the movement of goods and services across borders. It enhances connectivity, reduces transit times, and lowers transportation costs, making it a vital component for cross-border trade.

4. Hospitality: The hospitality industry supports tourism and can help with international relations, but it does not primarily enable trade directly.

5. I don't know: An option for uncertainty.

Conclusion

Based on the analysis, road infrastructure is the most crucial industry for regional integration to enable cross-border trade. Improving road networks allows for efficient transportation of goods, which is fundamental to economic collaboration among countries.