How does this map explain why the phoenicians became such skilled sailors and traders?

The map shows a lack of Phoenician land holdings in Mesopotamia which pushed them out to sea to trade.  A.

answer; /// (c) i believe that the correct answer is; ///full faith and credit.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.