Why did America form a republic

The Constitution of the United States, ratified in 1789, created a relatively strong federal republic to replace the relatively weak confederation under the first attempt at a national government with the Articles of Confederation and Perpetual Union ratified in 1781.

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answer; i believe that the correct answer is ( rivers);

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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