Answer: 

Introduction:

Strait and isthmus are narrow passages of water and land, respectively, which have played a crucial role in international trade for centuries. These natural features have helped connect various regions of the world, facilitating the movement of goods and people. Like Malacca Strait, Gibraltar strait.

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Body:

Significance role of straits and isthmus in international trade:

• Reduced Distance: Straits and isthmuses reduce the distance between regions, making transportation of goods and people more efficient. Like the Suez Canal on the isthmus of Suez prevents the circumvention of Africa by ship for trade between Europe and Asia.
• Ports and Harbors: Straits and isthmuses often have natural ports and harbors, providing easy access to the sea and facilitating trade. Like Malacca Strait
• Revolutionized Shipping: Straits and isthmuses have revolutionized the shipping industry, allowing for more efficient transportation and reducing the time and cost of shipping goods.
• Connectivity: Straits and isthmuses connect different regions of the world, providing access to markets, resources, and people. like the Panama Canal on isthmus connects Atlantic and Pacific oceans.
• Bridge Between Demand and Supply: Straits and isthmuses provide a bridge between the demand and supply of commodities, facilitating trade and economic growth.
• Environmentally Friendly Shipping: Straits and isthmuses provide environmentally friendly shipping options, reducing the carbon footprint of transportation and promoting sustainable trade practices.
• Tourism and International Trade: Straits and isthmuses provide opportunities for international trade in tourism services, promoting economic growth and development.
• Marine Products: Straits and isthmuses provide good grounds for fishing and aquaculture, promoting international trade in marine products.
• Strategic Importance: Straits and isthmuses have strategic importance, providing security from piracy and other threats, which is essential for international trade.

Conclusion:

Straits and isthmuses play an essential role in international trade, providing access to markets, resources, and people. They have provided opportunities for tourism and international trade in marine products and are essential for maintaining global economic growth and development.