▁ 2 0 1 7 ▁declared :" W ider ▁security ▁measures ▁must ▁also ▁now ▁en comp ass ▁protection ▁against ▁ep ide m ics ▁and ▁inf ect ious ▁dise ases , ▁comb ating ▁terror ism ▁and ▁organ ised ▁crime , ▁ens uring ▁safe ▁transport ▁and ▁reliable ▁food ▁supplies , ▁protect ing ▁against ▁energy ▁supply ▁inter ru ptions , ▁counter ing ▁dev ast ating ▁climate ▁change , ▁initi atives ▁for ▁peace ▁and ▁global ▁development , ▁and ▁much ▁more ." ▁ ▁The ▁extent ▁to ▁which ▁this ▁matters , ▁and ▁how ▁it ▁should ▁be ▁done , ▁is ▁the ▁subject ▁of ▁debate . ▁Some ▁argue ▁that ▁the ▁principal ▁benef ici ary ▁of ▁national ▁security ▁policy ▁should ▁be ▁the ▁nation ▁state ▁itself , ▁which ▁should ▁centre ▁its ▁strategy ▁on ▁protect ive ▁and ▁co er ci ve ▁capabilities ▁in ▁order ▁to ▁saf egu ard ▁itself ▁in ▁a ▁host ile ▁environment ▁( and ▁potentially ▁to ▁project ▁that ▁power ▁into ▁its ▁environment , ▁and ▁domin ate ▁it ▁to ▁the ▁point ▁of ▁strateg ic ▁supre m acy ). ▁O thers ▁argue ▁that ▁security ▁depends ▁princip ally ▁on ▁building ▁the ▁conditions ▁in ▁which ▁equ itable ▁relationships ▁between ▁nations ▁can ▁develop , ▁partly ▁by ▁reducing ▁ant agon ism ▁between ▁actors , ▁ens uring ▁that ▁fundamental ▁needs ▁can ▁be ▁met , ▁and ▁also ▁that ▁differences ▁of ▁interest ▁can ▁be ▁negoti ated ▁effectively . ▁In ▁the ▁UK , ▁for ▁example , ▁Mal col m ▁Chal mers ▁argued ▁in ▁ 2 0 1 5 ▁that ▁the ▁heart ▁of ▁the ▁UK ' s ▁approach ▁should ▁be ▁support ▁for ▁the