This operation is keyed to the larger NATO and EU aim of assisting Ukraine with its declared policy of reform and battle against the Russian-supported rebel uprising in the eastern Donbass. [...] Remarkably, by the end of the Cold War in 1991, the Soviet Union version of the “Russians” ceased to be a threat, the Americans had fully stayed the course of defence engagement of the North Atlantic area, and Germany reunified as a leading and fully integrated member of NATO and the EU. [...] Rather, a transitional period followed the Cold War which involved the expansion of the alliance through co-operation with former members of the Warsaw Pact and Soviet Union. [...] At the same time, Russia as the successor state to the Soviet Union felt that its interests in the post-Cold War period had been betrayed and resumed a more aggressive use of military force to reinforce its foreign and domestic interests. [...] Originally as part of the British Empire, Canadian expeditionary forces served in the Nile Expedition, the Boer War and the First World War.