Iceland in the Cold War due to clerical errors. Icelandic courts approved warrants by the Icelandic police to tap the phones of prominent Icelandic communists on six occasions during the period 1949-1968: During the 12-year reign of the , US-Icelandic relations were at their calmest. The government initiated major economic reforms that liberalized Iceland's economy and reduced Iceland's dependence on barter trade with the USSR. The Cod Wars were a series of confrontations between the United Kingdom and Iceland regarding fishing rights in the North Atlantic. Each of the disputes ended with Iceland's victory. The final Cod War concluded with a highly favorable agreement for
Fishing in the North Sea the 19th century large quantities of herring were produced in Scotland. Today mainly mackerel, Atlantic cod, whiting, coalfish, European plaice, and sole are caught. In addition, common shrimp, lobster, and crab, along with a variety of shellfish are harvested. In recent decades, overfishing has left many fisheries unproductive, disturbing the marine food chain dynamics and costing jobs in the fishing industry. Herring, cod and plaice fisheries may soon face the same plight as mackerel fishing which ceased in the 1970s due to overfishing. Since the 1960s, various regulations have attempted to protect the stocks of fish such as limited fishing