Overall, non e of the general approaches seems to fully account for the general patterns of public policy , the best explanations differ from policy to policy. The international dimension: public policy is a product not only of influences and decision-making processes within a country- globalization, international institutions, and international agreements are increasingly important in affecting public policy. International agreements play an increasingly important role in affecting the policies adopted by individual countries. The policy process: agenda setting, policy formation, decision making, policy legitimation, policy implementation, policy evaluation. Agenda setting: agenda setting refers to the process by which potential problems come to the attention of and become a priority for policy makers. Decision making: policy decisions are generally made at an executive level, particularly by the pm and cabinet in canada. Policy legitimation: laws and authorization for government spending and taxing have to be approved by a legislative body.