Поиск границы между востоком и западом english

Looking For The Border Between East And West.Second, the East-West opposition became a general practice.Is there a border between them?This border can not be marked on the ground digging the ditch or building a wall.Nobody can definitely say where the border is.Where the contact zone should be sought?The list of authors could be continued.Actual politics also not once marked these frontiers.The latter condition is essential for the possibility to become a viable political force.Are there such subjects?