Very insurgent guys, What are the causes of war? Could any of you guys give your own opinions and why also make it difficult to argue about?. please? I am in need of an answer so badly right now!

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.