What measures did Sargon take to unite his empire?

He took the walls down from other city-states and demanded loyalty from their governor or he would replace them with his own men. He also stated that his sons would rule after his death.

Explanation:

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.