Historical examples. 1  Hormuz Strait between Oman and Iran at the entrance to the Persian Gulf. 2  Strait of Malacca between Malaysia and Indonesia. 3  Bab-el-Mandeb passage from the Arabian Sea to the Red Sea (Yemen and Socotra) 4  Panama Canal and the Panama Pipeline connecting the Pacific and Atlantic Oceans (British Honduras)
Rapeseed oil contains high amounts of the toxic erucic acid, which is poisonous to the body. Canola oil is an altered version, also called Low Erucic Acid Rapeseed (LEAR) and it is commonly genetically modified and treated with high levels of pesticides.
Sunflower oil is one alternative to canola oil. It has a neutral flavor and also has the same smoke point as canola oil, making it an ideal choice if you're using the oil for pan frying. Sunflower oil is also a good source of polyunsaturated fats.