Question: What is this law that originally comprised seven articles that entrench the doctrine of the separation of powers in the United States, whose clause was reaffirmed by the decision from Lambert v. Yellowley?
Sentence (from "United States Constitution"): Its first three articles entrench the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral Congress; the executive, consisting of the President; and the judicial, consisting of the Supreme Court and other federal courts.
Relevant evidence: Yes