What follows is an opinion from a United States Court of Appeals. Your task is to identify the federal agency (if any) whose decision was reviewed by the court of appeals. If there was no prior agency action, choose "not applicable".

BRAFFITH v. PEOPLE OF VIRGIN ISLANDS.
Circuit Court of Appeals, Third Circuit
December 10, 1928.
No. 3881.
D. H. Jackson, of Christiansted, St. Croix, Virgin Islands, for appellant.
James C. Fox, of Christiansted, St. Croix, Virgin Islands, for the People.
Before BUFFINGTON, WOOLLEY, and DAVIS, Circuit Judges.
PER CURIAM.
This appeal under the laws of the Virgin Islands is compulsory. Braffith v. People of Virgin Islands (C. C. A.) 26 F.(2d) 646. In view of the prisoner’s plea 'of guilty entered to a charge of murder in the first degree, our inquiry on this appeal has been directed, and limited, to a search for fundamental irregularities in the proceeding and to a possible abuse by the court of its discretion in determining the punishment. Braffith v. People of Virgin Islands, supra. On our review of the record, made with a care which the gravity of the case required, we found no errors of either kind.
The judgment must therefore be affirmed.

Question: What federal agency's decision was reviewed by the court of appeals?
A. Benefits Review Board
B. Civil Aeronautics Board
C. Civil Service Commission
D. Federal Communications Commission
E. Federal Energy Regulatory Commission
F. Federal Power Commission
G. Federal Maritime Commission
H. Federal Trade Commission
I. Interstate Commerce Commission
J. National Labor Relations Board
K. Atomic Energy Commission
L. Nuclear Regulatory Commission
M. Securities & Exchange Commission
N. Other federal agency
O. Not ascertained or not applicable
Answer: