| Disputes - international: | in 2004, Zimbabwe dropped objections to plans between Botswana and Zambia to build a bridge over the Zambezi River, thereby de facto recognizing a short, but not clearly delimited, Botswana-Zambia boundary in the river; 42,250 Congolese refugees in Zambia are offered voluntary repatriation in November 2006, most of whom are expected to return in the next two years; Angolan refugees too have been repatriating but 26,450 still remain with 90,000 others from other neighboring states in 2006 |