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There are five main models in foreign policy analysis that will be explored in this article: the rational actor model, the bureaucratic politics model and the organizational process model—all three of which were developed by foreign policy analyst and scholar, Graham Allison, and outlined in his book, The Essence of Decision: Explaining the Cuban Missile Crisis—as well as the inter-branch politics model and the political process model. In order for an international relations professional to effectively analyze foreign policy as a whole, it is necessary to determine the relative strengths and weaknesses of each model therein and understand the ways in which each approach has the potential to remedy the inadequacies of the others.
Explanation:
The irrigation systems helped to water crops in large fields and make sure rivers don't overflow or [under-flow]<span />
The answer is that it established the power of the federal government. It allowed state government to overule the federal government also established the power of state government. And decided the the federal government cannot tax states.
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well I don't know what the statements you can choose are,but I'd say that life under joseph stalin was filled with fear and required you to be completely loyal and supportive of Stalin