Which region did the Byzantine empire recapture

Roman western Mediterranean coast

Explanation:

During the reign of justinian I (r. 527 - 565) ,the empire reached its greatest extent after reconquering much of the historically Roman western Mediterranean coast , including north Africa, Italy, and Rome itself , which it held for two more centuries.

hope it is helpful to you ^_^

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.