Cod Wars of nationalism and party competition for Iceland and pressure from the trawling industry for Britain are reasons that both sides took actions that were of noticeable risk to their broader security interests. Interdepartmental competition and unilateral behaviour by individual diplomats were also factors, with the British Ministry of Agriculture and Fisheries influencing the British government's decision 'more than the Foreign Office'. A 2017 study argues that both a combination of powerful domestic pressures on statesmen to escalate and miscalculation by those statesmen contributed to the outbreak of the Cod Wars. The study argues that Iceland won each of the Cod
Murray cod pressure, number of fishermen, number of nets, net mesh size, bag limits, minimum size limits and take of small cod, closed seasons and the taking of spawning cod full of eggs during spring, and other sundry issues, raged on and on without proper resolution, with fishing regulations either not amended, or amended and largely unenforced and completely ignored, and with heavy commercial, recreational and illegal fishing pressure continuing unrelenting and unabated. The end result was a Murray cod population, initially unimaginably abundant, continually fished down and down and down without pause, until in the early to mid 20th century a