International Law and Agreements: Their Effect upon U.S. Law

International law is derived from two primary sources—international agreements and customary practice. Under the U.S. legal system, international agreements can be entered into by means of a treaty or an executive agreement. The Constitution allocates primary responsibility for entering into such agreements to the executive branch, but Congress also plays an essential role. First, in… Continue Reading International Law and Agreements: Their Effect upon U.S. Law