In this context it is necessary to point out that world seaborne trade is also subject to many factors of a politico-economic, scientific-technical, military-political, and military-economic nature.
Kule meko kuyimfuneko ukutsolisa phandle okokuba urhwebo lomthwalo ngenqanawa elwandle lwehlabathi ingumcimbi, kuninzi lwefekta yenzululwazi ngolawulo loqoqosho, lobuchule lwenzululwazi amajoni oqoqosho lwezemidlalo.