 Complete the following phrase:  During the Gunboat War in the early 19th century, the United Kingdom introduced a trade embargo against Denmark-Norway. In this period, the pomor trade proved vital for North Norway. A decree legalising direct trade between fishermen and pomors during the Napoleonic Wars was issued in 1809. Several Russian vessels were seized by the Royal Navy, and thus many vessels did not sail any further than East Finnmark. Then in 1809, during the 