Separate names with a comma.
- Cod was not fished by Basque fishermen in the French Atlantic, but offshore the North American continent, more precisely Newfoundland. Hence, the salting of cod to preserve it during these long trips, not much to do with whaling trips!
- It is not a dipping spread, at least not in its normal use (I imagine the one from Nimes could be used as a spread, as it is a creamy emulsion, however not the Basque version, which tends to contain pieces of fish)
- Not sure what recipe you refer to wth this list of ingredients, as neither the Basque recipe nor the one from Nimes (city in Southern France) include tomato.