What is a treaty?
a ) an informal agreement between two or more nations
b) a formal agreement between two heads of state
c) an informal agreement between two heads of state
d) a formal agreement between two or more nations

A treaty is   a formal agreement between two or more nations. Correct D Other terms for treaty are agreement, convention, protocol, pact.. This agreement is made under international law. Example for treaty is the treaty of Paris which was a peace agreement between Great Britain on one side and America and its allies on the other.

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answer; role-taking;