Transkei Breaks Diplomatic Tie, Its Only One, With South Africans
Transkei breaks diplomatic relations with S Africa, only country that recognizes its existence; ostensible reason for rupture is S Africa's refusal to surrender E Griqualand, which is claimed as historical part of Transkei; other causes include desire to catch attention of world, which has shunned Transkei as creature of S Africa's policy of separate racial development; map (M)