What law shows that the British gave up their policy of salutary neglect after the French and Indian war

"The policy of Salutary Neglect was ended. The British attempt to reverse their policy of Salutary Neglect in the 1760's and end illegal trading was to tighten their control, enforce the Navigation Acts and impose new taxes including the Sugar Act, Stamp Act, Townshend Acts and the Tea Act."

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.

these acts divided the south into five military districts.