Final answer:
Federal systems distribute power between national and state governments, while confederate systems favor state autonomy. Tensions in federal systems stem from power divisions between national and state levels.
Explanation:
Federal systems allocate power between the national and state governments, where each level has its own sphere of authority, e.g., the United States. In contrast, confederate systems grant most powers to the individual states, with a weak central government like the Confederate States of America during the Civil War. Tensions in federal systems arise from the division of powers and struggles between national and state governments, evident in historical events such as the American Civil War.
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