Marshall Harlan said that.
That meant that the South would have been starved of supplies and would have been forced to surrender.
They both were located in peninsula (an island surrounded by water on all sides). It was a great location because it provided water to survive, the attacks were limited since barbarians had to take ships in order to get there, great trade since they had ship routes all over the rivers/oceans.
Answer:
Yes they should have. The Jews did not have a home, and they needed a place to call their own.
Explanation: