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I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. <span>Justinian code became the backbone of modern Europe legal system. I hope that this is the answer that you were looking for and the answer has come to your great help.</span>
One of the main reasons why many Americans expressed concerns about weaknesses in the Articles of Confederation is that they gave the federal government no power to tax--making it impossible to pay back war debts. Another reason was that they made it hard to put down rebellions such as Shays' Rebellion, which frightened many people.