Which member of the president's cabinet is most likely to negotiate a treaty with a foreign country? secretary of the interior secretary of the treasury secretary of defense secretary of state

Secretary of State is the correct answer.

Explanation:

According to US constitution the president decides the US foreign  policy and the Secretary of State is his chief foreign affair's adviser. Secretary of State is appointed by the president with the consent and advice of the senate. He carries out the president's foreign policies through foreign service and state department. The duties of the secretary of state has not changed since the creation of Department of foreign affairs since 1789. He also conducts the negotiation related to US foreign affairs.

the answer your looking for is c. : )

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