The most likely reason for a state to provide specialized law enforcement agencies is

Domestic Terrorism and foreign threats.

Explanation:

The most likely reason for a state to provide specialized law enforcement agencies is because of the potential threats that occur within a country which could be domestic Terrorism. Any law abiding citizen can go trigger happy and cause an attack at a crowded place or private place. This gets the attention of the law enforcement to enforce maximum protection for any potential crime to go ahead.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

i would say that the politicial parties from state to state varies.