Micronesia, Federated States of based on adapted Trust Territory laws, acts of the legislature, municipal, common, and customary laws

Midway Islands
the laws of the US, where applicable, apply

Moldova
based on civil law system; Constitutional Court reviews
legality of legislative acts and governmental decisions of
resolution; it is unclear if Moldova accepts compulsory ICJ
jurisdiction but accepts many UN and Organization for Security and
Cooperation in Europe (OSCE) documents

Monaco
based on French law; has not accepted compulsory ICJ
jurisdiction

Mongolia
blend of Soviet, German, and US systems that combine
"continental" or "civil" code and case-precedent; constitution
ambiguous on judicial review of legislative acts; has not accepted
compulsory ICJ jurisdiction

Montserrat
English common law and statutory law

Morocco
based on Islamic law and French and Spanish civil law
system; judicial review of legislative acts in Constitutional
Chamber of Supreme Court

Mozambique
based on Portuguese civil law system and customary law

Namibia
based on Roman-Dutch law and 1990 constitution

Nauru
acts of the Nauru Parliament and British common law