Chief Joseph included this story in his speech to explain why an old treaty was not valid. The correct option is b.
<h3>What is a treaty? </h3>
A treaty can be understood as a formal, legally binding written agreement between actors in international law. A treaty is made by and between sovereign states and it can also include international organizations, individuals, business entities, and other legal persons.
A treaty may also be known as an international agreement, protocol, covenant, convention, pact, or exchange of letters, among other terms.
Under international law, the only documents that are legally binding on the parties are considered treaties.
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