Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. Thus in Memphis, the rulers of the Early Dynastic Period were ideally placed to control internal trade, which they had to do in order to run their economy. B. Therefore the rulers of the Early Dynastic Period thought Memphis was the ideal location for trade with nearby countries. C. In short, a state-directed economy like that of the Early Dynastic Period requires choosing a single location to which goods can be moved-Memphis, in this case D. In sum, then, a state-directed economy first developed during Egypt's Early Dynastic Period because Memphis was an ideal location for controlling trade.