Triple

Target class: post–World War I political arrangement
Context triple: [British control of the Straits Zone, instanceOf, post–World War I political arrangement]

• A. World War I–era diplomatic agreement
  A World War I–era diplomatic agreement is a formal treaty, pact, or understanding negotiated between states during or immediately surrounding the First World War, aimed at managing alliances, territorial claims, military commitments, or postwar settlements.
• B. League of Nations mandate chosen
  A League of Nations mandate was a legal and administrative arrangement by which a victorious World War I power governed a former German or Ottoman territory under international supervision, ostensibly until it was deemed ready for self-rule.
• C. World War II-era treaty
  A World War II-era treaty is a formal, legally binding agreement between nations made during or immediately surrounding the Second World War, typically addressing military alliances, territorial changes, peace terms, or postwar political and economic arrangements.
• D. post–World War II legal instrument
  A post–World War II legal instrument is a formal, binding agreement, treaty, or legal framework created after 1945 to address international governance, human rights, security, reconstruction, and cooperation in the global order that emerged following the Second World War.
• E. World War I-era polity
  A World War I-era polity is a sovereign or semi-sovereign political entity that existed and exercised governmental authority during the period surrounding the First World War (circa 1914–1918), shaped by the war’s diplomatic, military, and social upheavals.
• F. None of above.