These industries create jobs and contribute to the economic development of the city. 4. Infrastructure Development: Harbors require infrastructure such as docks, piers, warehouses, and transportation networks, which create jobs and stimulate economic activity in the construction and maintenance sectors. 5. Attract Investment: A well-developed harbor can attract investment from businesses looking to establish operations in a city with access to international trade routes. This investment creates new opportunities for job creation and economic growth. Overall, harbors play a crucial role in supporting the economy of a city by facilitating trade, boosting tourism, supporting local industries, stimulating infrastructure development, and attracting investment.