sh Indian Ocean Territory), and its former
inhabitants since their eviction in 1965; most Chagosians reside in
Mauritius, and in 2001 were granted UK citizenship but no right to
patriation in the UK; UK rejects sovereignty talks requested by
Argentina, which still claims the Falkland Islands (Islas Malvinas)
and South Georgia and the South Sandwich Islands; territorial claim
in Antarctica (British Antarctic Territory) overlaps Argentine claim
and partially overlaps Chilean claim; Iceland, the UK, and Ireland
dispute Denmark's claim that the Faroe Islands' continental shelf
extends beyond 200 nm

United States
prolonged drought, population growth, and outmoded
practices and infrastructure in the border region strains
water-sharing arrangements with Mexico; the US has stepped up
efforts to stem nationals from Mexico, Central America, and other
parts of the world from crossing illegally into the United States
from Mexico; illegal immigrants from the Caribbean, notably Haiti
and the Dominican Republic, attempt to enter the US through Florida
by sea; 1990 Maritime Boundary Agreement in the Bering Sea still
awaits Russian Duma ratification; managed maritime boundary disputes
with Canada at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca,
and around the disputed Machias Seal Island and North Rock; US and
Canada seek greater cooperation in monitoring people and commodities
crossing the border; The Bahamas and US have not been able to agree
on a maritime boundary; US Naval Base at Guantanamo Bay is leased
from Cuba and only mutual agreement or US abandonment of the area
can terminate the lease; Haiti claims US-administered Navassa
Island; US has made no territorial claim in Antarctica (but has
reserved the right to do so) and does not recognize the claims of
any other state; Marshall Islands claims Wake Island

Uruguay
uncontested dispute with Brazil over certain islands in the
Quarai/Cuareim and Invernada streams and the resulting tripoint with
Argentina

Uzbekistan
cotton monoculture in Uzbekistan and Turkmenistan creates
water-sharing difficulties for Amu Darya river states; delimitation
with Kazakhstan complete with demarcation underway; delimitation is
underway with Kyrgyzstan but serious disputes around enclaves and
elsewhere continue to mar progress for some 130 km of border; talks
continue with Tajikistan to delimit border and remove min