United Kingdom
based on 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, which is still influenced by the Napoleonic Code) is
based on English common law; judicial review of legislative acts;
has not accepted compulsory ICJ jurisdiction

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
based on civil law system; has not accepted compulsory
ICJ jurisdiction

Vanuatu
unified system being created from former dual French and
British systems; has not accepted compulsory ICJ jurisdiction

Venezuela
open, adversarial court system; has not accepted
compulsory ICJ jurisdiction

Vietnam
based on communist legal theory and French civil law system;
has not accepted compulsory ICJ jurisdiction

Virgin Islands
based on US laws

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