<span>In 2013, the percentage of all poor families in the United States headed by single women was "fifty-one percent".
The number in the year 2011 was 52 % which decreased one percent within two years. The reasons for such a high percentage could be lack of income or lack of opportunities or some gender biased at some pockets of society. </span>
Graian alps is the highest range in Europe
The correct answer for this question is D - Writing was the invention
that allowed Sumerians to record economic transactions and spread
information about their culture. Whilst another invention such as the
wheel might have helped with the transportation of said physical
information, it was only with writing that this could be possible.
