How does specialization make us more efficient? (economics)

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.