简答题：The first copyright law in the United States was passed by

The first copyright law in the United States was passed by Congress in 1790. In 1976 Congress enacted the latest copyright law,___26 ___the technological developments that had occurred since the passage of the Copyright Act of 1909. For example, in 1909, anyone who wanted to make a single copy of a27 work for personal use had to do so by hand. The very process___28___ a limitation on the quantity of
materials copied. Today, a photocopier can do the work in seconds; the limitation has disappeared. The 1909 law did not provide full protection for films and sound recordings, nor did it___29 ___the need to protect radio and television. As a result, ___30 ___of the law and abuses of the intent of the law have lessened the___31___ rewards of authors, artists, and producers. The 1976 Copyright Act has not prevented these abuses fully, but it has clarified the legal rights of the injured parties and given them an___32___ for remedy. Since 1976 the Act has been___33___ to include computer software, and guidelines have been adopted for fair use of television broadcasts. These changes have cleared up much of the confusion and conflict that followed___34 ___the 1976 legislation.
The fine points of the law are decided by the courts and by acceptable common practice over time. As these decisions and agreements are made, we modify our behavior accordingly. For now, we need to___ 35___ the law and its guidelines as accurately as we can and to act in a fair manner.
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