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In a confederation, states have the autonomy to manage matters of their own territories, while the federal power, which represents the union of all states, takes care of matters of interest to the states as a whole, such as macroeconomics. Thus, this would be the model that states would have greater freedom and sovereignty compared to the federation (in which states transfer their autonomy to central power) and to totalitarian dictatorships and regimes. An example of confederation is the US. Each state has its own constitution and rules, and current central power in the common interest of all states.
A confederation consists of the union of States that retain their sovereignty and are governed by certain common laws. In terms of modern policy, it is a permanent union of sovereign States for the purpose of common action. It is usually originated through written agreements, to later establish norms or specific laws that regulate and govern this link. The confederations are usually trained to deal with matters of a larger nature, such as defense, migration policies, the creation of a common currency, the fight against poverty, social integration, etc.
The confederation differs from the federation in that in the first the members maintain high levels of autonomy and the central power is limited, while in the second the federated renounce a part of their powers and the central power is stronger. Often the elements that make up a Confederation are in turn federations, and not unit units.
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The correct answer is A. Parliamentary
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Confederate governments such as the Articles of Confederation or the European Union have a central system for ease of trade or currency but give decision making power to the states/provinces.