Development of roads, ports, and airports is important for:

The correct answer is D. Development of roads, ports, and airports is important for all of the above.

• Logistics and connectivity: Roads, ports, and airports are essential for the movement of goods and people. They provide the infrastructure that allows businesses to transport their products to market and people to travel to their destinations.
• Attracting investments: Businesses are more likely to invest in areas with good infrastructure. Roads, ports, and airports make it easier for businesses to operate and expand.
• Supply chain efficiency: A well-developed transportation network can help to reduce costs and improve efficiency in the supply chain. This can lead to lower prices for consumers and increased profits for businesses.

In addition, development of roads, ports, and airports can create jobs and boost economic growth. It can also improve access to education, healthcare, and other essential services.