On the mainland _____ is the largest state of the United States.

On the mainland _____ is the largest state of the United States.
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    Of all the states in America _____ is the smallest.

    Of all the states in America _____ is the smallest.
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      ______ City is the most populous city in the United States.

      ______ City is the most populous city in the United States.
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        The total fertility rate in the United States for 2013 was ______ children per woman, which was below the replacement fertility rate of approximately 2.1.

        The total fertility rate in the United States for 2013 was ______ children per woman, which was below the replacement fertility rate of approximately 2.1.
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          The United States Census Bureau defines ______ as those “having origins in any of the original peoples of Europe, the Middle East, or North Africa".

          The United States Census Bureau defines ______ as those “having origins in any of the original peoples of Europe, the Middle East, or North Africa
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            Hispanic and Latino Americans accounted for ______ of the national population growth of 2.9 million between July 1, 2005, and July 1，2006.

            Hispanic and Latino Americans accounted for ______ of the national population growth of 2.9 million between July 1, 2005, and July 1，2006.
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              The first immigrants in American history came from ______ and the Netherlands.

              The first immigrants in American history came from ______ and the Netherlands.
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                Though immigration had been a familiar aspect of American development throughout the colonial period, the largest immigration movement did not take place until ______.

                Though immigration had been a familiar aspect of American development throughout the colonial period, the largest immigration movement did not take place until ______.
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                  The Immigration and Nationality Act of ______，also known as the Hart-Cellar Act, abolished the system of national-origin quotas.

                  The Immigration and Nationality Act of ______，also known as the Hart-Cellar Act, abolished the system of national-origin quotas.
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                    According to American historians and specialists in demography, that is, the study of statistics related to population, there are ______ great population movements in the history of the United States.

                    According to American historians and specialists in demography, that is, the study of statistics related to population, there are ______ great population movements in the history of the United States.
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                      ______ is considered to be one of the characteristics of the American people.

                      ______ is considered to be one of the characteristics of the American people.
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                        The ______ population movement was between the end of the civil war and 1880 when the westward movement came to a halt.

                        The ______ population movement was between the end of the civil war and 1880 when the westward movement came to a halt.
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                          ______ constitute the second largest racial and ethnic minority in the United States.

                          ______ constitute the second largest racial and ethnic minority in the United States.
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                            In 2008，______ was the first African American to be elected president of the United States.

                            In 2008，______ was the first African American to be elected president of the United States.
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                              The island of Puerto Rico has been an American possession since the Spanish-American war of ______.

                              The island of Puerto Rico has been an American possession since the Spanish-American war of ______.
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