ne

Bhutan
approximately 100,000 Bhutanese refugees living in Nepal, 90%
of whom reside in seven UN Office of the High Commissioner for
Refugees camps, place decades-long strains on Nepal

Bolivia
has reactivated its claim to restore the Atacama corridor,
ceded to Chile in 1884, to secure sovereign maritime access for
Bolivian natural gas

Bosnia and Herzegovina
Bosnia and Herzegovina and Serbia and
Montenegro have delimited most of their boundary, but sections along
the Drina River remain in dispute; discussions continue with Croatia
on problem sections around Kostajnica on the Una River and villages
at the base of Mount Pljesevica

Botswana
established a commission with Namibia to resolve small
residual disputes along the Caprivi Strip, including the Situngu
marshlands along the Linyanti River; downstream Botswana residents
protest Namibia's planned construction of the Okavango hydroelectric
dam at Popavalle (Popa Falls); Botswana, Namibia, Zambia, and
Zimbabwe boundary convergence is not clearly defined or delimited

Bouvet Island
none

Brazil
unruly region at convergence of Argentina-Brazil-Paraguay
borders is locus of money laundering, smuggling, arms and drug
trafficking, and fundraising for extremist organizations;
uncontested dispute with Uruguay over certain islands in the
Quarai/Cuareim and Invernada boundary streams and the resulting
tripoint with Argentina

British Indian Ocean Territory
Mauritius and Seychelles claim the
Chagos Archipelago and its former inhabitants, who reside chiefly in
Mauritius, but in 2001 were granted UK citizenship and the right to
repatriation since eviction in 1965; the UK resists the Chagossians'
demand for an immediate return to the islands; repatriation is
complicated by the exclusive US military lease of Diego Garcia that
restricted access to the largest island in the chain

British Virgin Islands
none

Brunei
in 2003 Brunei and Malaysia ceased gas and oil exploration in
their offshore and deepwater seabeds until negotiations progress to
an agreement over allocation of disputed areas; Malaysia's land
boundary with Brunei around Limbang is in dispute; Brunei
established an exclusive economic fishing zone encompassing Louisa
Reef in southern Spratly Islands in 1984 but makes no public
territorial claim to the offshore reefs; the 2002 "Declaration on
the Conduct of Parties in the S