Japan opened its ports after signing the Treaty of Kanagawa with the US in 1854 and began to intensively modernize and industrialize.
Japan had three ports. Hyogo, Yokohama, and shimoda.
Yokohama, shimoda Nagasaki, hakodate, niigata
The slave trade was carried out from many British ports, but the three most important ports were London (1660-1720s), Bristol (1720s-1740s) and Liverpool (1740s-1807), which became extremely wealthy.
All of them
Ports such as Bristol, Liverpool and Glasgow sent out many slave ships each year, bringing great prosperity to their owners: 1792 was the busiest slave trading year for Britain, when 204 ships left to carry slaves from Africa to the Americas
There are 1020 ports in Japan, 22 of which are main ports of special purpose, 106 main ports and 892 local ports. Most frequently port-managing organizations are city municipalities (395 ports) or prefecture administrations (619 ports). The development of most significant for economics Japanese ports is financed 2/3 by government means; the remaining part is financed by port-managing organizations. Ministry of land infrastructure and transport in Japan can provide with stock capital for the securities that are issued by port-managing organizations if the project that is being carried into effect is important on the state scale. Port managing organizations prepare port development plans.
Cruise ports in Florida
There are 3 ports in Balochisthan.
It has 2 ports at the front
sea ports, chittagong and mongla
It depends on how many ports are on the hub. Some might have 4 ports, some might have 8 ports some might have 16 ports etc...