On the other hand, writers like John Conard and Holison are highly critical of the role of western imperialism in Asia and Africa. They associate imperialism with exploitation, misery, poverty, cruelty, conversion, degradation and racial segregation. Holison says that imperialism was 'rapacious and immoral'.
There is no official termination date for the sustainability of an open bottle of cognac. A guide that you can hold: a half-full bottle of cognac is maintainable for about 3 years. Even afterwards this period the Cognac will remain safe to consume, only the quality is lower. For example, you can use it for cooking.
Manzanilla or Fino Sherry, for instance, should be consumed within one week of opening if stored properly in the refrigerator. Port will last a bit longer, and should be consumed within two to four weeks of opening if stored properly in the refrigerator (Ruby Port has a bit longer shelf life than Tawny Port). Madeira lasts just about forever, literally years after opening if stored properly in the refrigerator.