I Chien tranh the' gidi thii hai khdng chi lam lung lay he thd'ng thuc dan the' gidi, ma cdn lam cho ndi bd cac nude tu ban phat sinh nhiing thay doi xa
1948, Lien Xd tuyen bd riit khdi Uy ban quan che dong minh va sau dd thdng bao vdi Tu lenh quan su My d Berlin rdng tir ngay 1-4, Lien Xd se kiem tra
giay td ciia tat ca ngudi My va kiem tra tat ca hang hda van chuyen, trir hanh ly ca nhan, di qua khu chie'm ddng ciia Lien Xd.
Ngay 18-6, nha cam quyin tai khu vuc chiem ddng ciia My, Anh, Phap tai Diic tuyen bd tur ngay 21-6 se tie'n hanh cai each che do tiln te rieng re d khu chie'm ddng phia tay nude Diic, phat hanh ddng Mac mdi ky hieu "B". Lien Xd lap tiic phan dd'i budc di nay ciia phuong Tay nham chia cdt nude Diic, tuyen bd rdng de ngan chan su pha hoai luu thdng tiln te d khu vuc Lien Xd chie'm ddng va bao ve cu dan d dd ciing nhu lgi ich kinh te cua khu vuc nay, Lien Xd quye't dinh quan ly con dudng giao thdng di vao Berlin cua cac nude phuong Tay, phong tda toan bd tuye'n dudng bd cua cac nude phuong Tay ddn de'n khu vuc chiem ddng phia tay. Ngay 22-6, phia Lien Xd thdng bao cho My, Anh, Phap vl quyet dinh thuc bien cai each tiln te d khu vuc do Lien Xd chie'm ddng, phat hanh ddng Mac mdi ky hieu "D". Ba nude phuong Tay tii chdi chap thuan dong Mac Ddng Diic dugc dung d Tay Diic. Ngay 24
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thang 6, Hdi nghi ngoai trudng cac nude Lien Xd va Ddng Au hgp tai Varsaw ra tuyen bd cdng kich manh me Hdi nghi sau nude phuong Tay tai London, dac biet la viec cai each tiln te rieng re, da day nhanh su chia cdt nIn kinh te Diic, dong thdi Lien Xd tuyen bd phong tda mgi tuyen dudng bd, dudng thiiy thdng tdi Berlin. Cudc phong tda Berlin da dugc trien khai toan dien.
( . , Trudc phan iing cua Lien Xd, My va cac nude phuong Tay khac lai cho rdng hanh ddng ciia Lien Xd mang tinh ta'n cdng, mudn dudi phuong Tay ra khdi Berlin. Khdng nhiing vay, gidi lanh dao My cdn cho rdng hanh ddng ciia Lien Xd la nhdm budc My phai nhugng bd trong van d l Diic, tir dd pha hoai uy tin cua My tai chau Au. Mat khac, nhan cudc phong tda Berlin va su
kien thang Hai of Tiep Khdc, My lam rum beng len vl cai ggi la "nguy co cua chu nghia cdng san" de thiic giuc Qud'c hdi tang chi phi quan su va thiic giuc Tay Au ky Hiep ude Brussels chuan bi cho su ra ddi ciia NATO. Khi cudc phong tda bdt dau, Chinh phii My lap tiic quyet dinh lap cau hang khdng, dilu dgng mdt sd lugng Idn may bay lien tuc van chuyen nhien lieu, luong thuc va cac vat dung khac cho Tay Berlin. Anh cung dilu mdt sd it may bay tham gia khdng van. Cudc phong tda Berlin keo dai 231 ngay. Trong thdi gian dd, van tai hang khdng cua phuong Tay da chuyen den Tay Berlin la khoang 2,5 trieu ta'n hang boa, chu yeu la luong thuc va than, vdi khoang 275.000 chuyen bay [17,184].
Dong thdi vdi viec lap cau hang khdng cho Tay Berhn, Anh - My tie'n hanh phong tda khu vuc chiem ddng ciia Lien Xd, ban che' giao dich thuong mai vdi khu vuc Lien Xd chiem ddng, cd y gay khd khan cho Lien Xd trong viec mugn dudng qua khu vuc My quan ly de di lai giiia Ddng Berlin va Potsdam, v.v.. My cQng nhan co hdi nay budc Anh ddng y de My lap can cii khdng quan chien lugc d nude nay, dung bg may tuyen truyin to cao Lien Xd dang bdt }ion 2 trieu ngudi dan Tay Berlin lam eon tin nhdm muc dich chinh tri, tii dd day trach nhiem gay ra tinh binh cang thang va chia cdt nude Diic cho Lien Xd.
Mac dii hai ben cang thang trong va'n dl nude Diic ma dinh diem la cudc phong tda Berlin, nhung My va Lien Xd dIu cd gdng tim kiem con dudng giai quye't khung hoang bdng bien phap thda hiep, tranh xung dot leo thang thanh chien tranh ndng. Cudc phong tda cua Lien Xd d Berlin tir ddu de'n cudi chi ban che d giao thdng dudng thiiy va dudng bd, khdng gay can trd de'n van tai dudng khdng ciia phuong Tay. My ciing chua sir dung bien phap quan su de huge Lien Xd phai buy bd phong tda. Dong thdi, hai ben da thdng qua con dudng ngoai giao de tham dd kha nang thda hiep. Tir cudi thang 7-
1948 tdi ddu nam 1949, cac ben da cd nhiing cudc tiep xiic, trao ddi vl van d l Berlin, nhung do mau thudn vl nhilu van d l nen chua pha vd dugc the be tdc,