Final answer:
The United States can become a party to an international agreement through treaties, executive orders, and executive agreements, but not congressional-executive agreements.
Step-by-step explanation:
The subject of this question is Law.
Under domestic law, the US can become a party to an international agreement through various means. These include treaties, executive orders, and executive agreements. However, congressional-executive agreements are not one of the ways for the US to become a party to an international agreement under domestic law.
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