Analysis of information sources in references of the Wikipedia article "해상강도" in Korean language version.
[...] through their extensive piracies the Portsmen [of the Cinque Ports] were experts in predatory actions at sea. [...] Furthermore, the geostrategic location of the [Cinque] Ports on the English coast closest to the Continent meant that the Ports [...] could effectively control the Narrow Seas.
