United Kingdom
common law tradition with early Roman and modern
continental influences; has nonbinding judicial review of Acts of
Parliament under the Human Rights Act of 1998; accepts compulsory
ICJ jurisdiction, with reservations

United States
federal court system based on English common law; each
state has its own unique legal system, of which all but one
(Louisiana's) is based on English common law; judicial review of
legislative acts

United States Pacific Island Wildlife Refuges
the laws of the US,
where applicable, apply

Uruguay
based on Spanish civil law system; accepts compulsory ICJ
jurisdiction

Uzbekistan
evolution of Soviet civil law; still lacks independent
judicial system

Vanuatu
unified system being created from former dual French and
British systems

Venezuela
open, adversarial court system

Vietnam
based on communist legal theory and French civil law system

Virgin Islands
based on US laws

Wake Island
the laws of the US, where applicable, apply