Triple

Target entity: United States War Department
Context triple: [Army of the Gulf, subordinateTo, United States War Department]

• A. United States Department of War chosen
  The United States Department of War was the former executive department of the U.S. federal government responsible for overseeing the Army and managing military affairs until its functions were absorbed by the Department of Defense.
• B. United States Department of the Army
  The United States Department of the Army is the federal executive department-level organization responsible for overseeing, administering, and supporting the United States Army as a branch of the U.S. Armed Forces.
• C. Confederate States War Department
  The Confederate States War Department was the central administrative body responsible for overseeing the Confederate Army’s organization, logistics, and military operations during the American Civil War.
• D. Federal Military Department
  The Federal Military Department was the former Swiss government ministry responsible for national defense before its functions were reorganized under the Federal Department of Defence, Civil Protection and Sport.
• E. War Department General Staff
  The War Department General Staff was the central planning and administrative body that directed and coordinated the overall operations, organization, and strategy of the United States Army before the creation of the Department of Defense.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.