survival and, Ehus, in the avoidance of far. 55. Comrcn securlty as a concePt is base'l on tr'o Preferences" for international over national means of achieving security, and for rneans Ehat are peaceful over thoae that rely on lhe use or the threaCened use of folce' These exErenely venerable preterences are interpreteat in the lighE of oodern destructive becbnologies, principaUy nuclear but also "conventionalr, chemical and bioLogical peapong. On the other hind, the existence of nodern eeapons makes it likely thaE the costs of resorting to nilicary force (certainly to nuclear force) t{ould exceed the benefitst no one would trin a nuclear sar. On the other han'l' Ehe effects of the use of nodern FeaPons eould cross internacional frontiers' l'lo country would be aecure ftom the conseguences of nuclear gar! "national" and I' inte rna! ional " intereEts coincide in tbe need to prevent war' 57. The noEion of connon security is founded on the assumption Chat in an age of interdependence no nation can find security blr itself' Thus' the goal of cotnnon securit| is to begin a positive process that will eventually lead co peace and disarmanent' and Ebat slII tap the recent outpouring of poPutar concern over the dangers of t|ar. The resulta of tttis Process sould be a safer, more aecure interoational order: a world uith no nuclear rdeaPons. wittl Peace and security maintained at lower levels of conventional arms, and sith increased national and inEernacional resources reallocated to the purpose of inProving the quality of lite' CHAPTER III PROBI,EMS AND THREATS IN INTERNATIONAL SECURITY 58. Tbis chapter elucidaces major problens and threats to inlernational peace and security. speclfically, it eili diicuss (a) the relationshiP bebfeen national and Lnternafional aecurityt (b) threats to security in che nuclear agel (c) the risks
**Analysis**
The text appears to be discussing the concept of common security and the challenges it faces in the modern era, particularly in the context of nuclear weapons and international relations. The author emphasizes the importance of cooperation and interdependence among nations to achieve peace and security. The text does not seem to be focused on specific economic, environmental, or social issues, but rather on the broader concept of security and its implications for international relations.

**Category**
International relations, Security