Changes in elections laws have been enacted many times since 1790 when only American white males were legally allowed to vote.  Included were the 1870 law that allowed former slaves to vote, in 1920 women’s suffrage came about, in 1924 the Indians Citizenship Act gave Native Americans the right-to-vote and in 1964, the poll tax was banned in all federal elections. These were all considered positive changes.

Now in 2012, some Americans believe that voting rights have been taken a step backwards as many states require identification (ID) before allowing its citizens to vote.

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http://www.examiner.com/social-evolution-in-national/voter-identifi...