Oceanic basin an active - and growing - oceanic basin include an elevated mid-ocean ridge, flanking abyssal hills leading down to abyssal plains. The elements of an active oceanic basin often include the oceanic trench associated with a subduction zone. The Atlantic ocean and the Arctic ocean are good examples of active, growing oceanic basins, whereas the Mediterranean Sea is shrinking. The Pacific Ocean is also an active, shrinking oceanic basin, even though it has both spreading ridge and oceanic trenches. Perhaps the best example of an inactive oceanic basin is the Gulf of Mexico, which formed in Jurassic times and has
Fridtjof Nansen lacked documentary proof of identity or nationality. Without legal status in their country of refuge, their lack of papers meant they were unable to go anywhere else. To overcome this, Nansen devised a document that became known as the "Nansen passport", a form of identity for stateless persons that was in time recognised by more than 50 governments, and which allowed refugees to cross borders legally. Although the passport was created initially for refugees from Russia, it was extended to cover other groups. While attending the Conference of Lausanne in November 1922, Nansen learned that he had been awarded the