The economic effect on the civiHow did Presidential Reconstruction allow black codes to be passed?

Southern states enacted black codes after the Civil War to prevent African Americans from achieving political and economic autonomy.

Explanation:

answer: b.

explanation:

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.