Triple

Target entity: South Atlantic theatre of operations
Context triple: [One Hundred Days, setting, South Atlantic theatre of operations]

• A. South Atlantic Blockading theater chosen
  The South Atlantic Blockading theater was the Civil War naval operations area along the southeastern coast of the United States where Union forces sought to blockade Confederate ports and control key coastal waters.
• B. Atlantic coastal theater
  The Atlantic coastal theater was the region along the eastern seaboard of the United States and British North America where major naval operations, coastal raids, and amphibious assaults occurred during the War of 1812.
• C. Eastern Theater
  The Eastern Theater was the primary region of major Civil War operations in Virginia, Maryland, and Pennsylvania, where many of the conflict’s most significant and famous battles took place.
• D. Caribbean Sea theater
  The Caribbean Sea theater was a major maritime zone of conflict in the Age of Sail, where European colonial powers and their navies contested control of trade routes, ports, and territories throughout the Caribbean basin.
• E. Southern theater of operations
  The Southern theater of operations was the region of the American Revolutionary War encompassing major campaigns and battles in the southern colonies, particularly in the Carolinas, Georgia, and Virginia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.