The laws of the several states, except where the Constitution or Treaties of the United States or Acts of Congress otherwise require or provide, shall be regarded as rules of decision in civil actions in the courts of the United States, in cases where they apply." ' So states the commandment by the Congress of the United States which gov- erns the applicability of state law in all federal civil actions wherein jurisdiction is founded upon diversity of citizenship.
S.D. R. Moore,
A Century Old Problem: Federal Or State Law As Determinative Of A Directed Verdict In A Federal Court,
U. Rich. L. Rev.
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