A unitary system of government, or unitary state, is a sovereign state governed as a single entity. The central government is supreme, and the administrative divisions exercise only powers that the central government has delegated to them.
So, preventing an infestation of ants or getting rid of ants is a matter of closing entry points, repelling them, and practicing daily routines of cleanliness. 1  Follow them. 2  Close gaps and/or apply natural repellents those entry ways.  Practice cleanliness and routine maintenance.
People say cinnamon gets rid of them but what actually happens is that they take the cinnamon back to their queen but ants cant digest the cinnamon and the queen will die and soon enough their colony will die. If you want to kill them then try using sugar and borax, borax is basically soap.