United States Polaris Expedition (1871–1873)

Target entity: United States Polaris Expedition (1871–1873)
Context triple: [Robeson Channel, exploredDuring, United States Polaris Expedition (1871–1873)]

• A. United States Exploring Expedition (1838–1842)
  The United States Exploring Expedition (1838–1842) was a major U.S. naval and scientific voyage that conducted extensive exploration and surveying of the Pacific Ocean and surrounding regions, significantly advancing 19th-century geography, natural history, and cartography.
• B. Jeannette Arctic expedition
  The Jeannette Arctic expedition was a late 19th-century U.S. Navy voyage that ended in disaster when its ship became trapped and crushed by ice while attempting to reach the North Pole via the Bering Strait.
• C. Fram expedition 1893–1896
  The Fram expedition of 1893–1896 was Fridtjof Nansen’s pioneering Arctic voyage that attempted to reach the North Pole by intentionally freezing the ship Fram into the polar ice and drifting with it across the Arctic Ocean.
• D. Chelyuskin expedition
  The Chelyuskin expedition was a 1933–1934 Soviet Arctic voyage whose ship became trapped and crushed by ice, leading to a dramatic mass rescue that became a major propaganda triumph for the USSR.
• E. Russian Polar Expedition
  The Russian Polar Expedition was an early 20th-century Russian Arctic exploration mission led by Eduard Toll that sought to chart and study the high-latitude regions of the Arctic Ocean and its islands.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: United States Polaris Expedition (1871–1873)
Target entity description: The United States Polaris Expedition (1871–1873) was an American Arctic exploration mission led by Charles Francis Hall that sought to reach the North Pole but became infamous for Hall’s mysterious death and the crew’s subsequent struggle for survival on drifting ice floes.

• A. United States Exploring Expedition (1838–1842)
  The United States Exploring Expedition (1838–1842) was a major U.S. naval and scientific voyage that conducted extensive exploration and surveying of the Pacific Ocean and surrounding regions, significantly advancing 19th-century geography, natural history, and cartography.
• B. Jeannette Arctic expedition
  The Jeannette Arctic expedition was a late 19th-century U.S. Navy voyage that ended in disaster when its ship became trapped and crushed by ice while attempting to reach the North Pole via the Bering Strait.
• C. Fram expedition 1893–1896
  The Fram expedition of 1893–1896 was Fridtjof Nansen’s pioneering Arctic voyage that attempted to reach the North Pole by intentionally freezing the ship Fram into the polar ice and drifting with it across the Arctic Ocean.
• D. Chelyuskin expedition
  The Chelyuskin expedition was a 1933–1934 Soviet Arctic voyage whose ship became trapped and crushed by ice, leading to a dramatic mass rescue that became a major propaganda triumph for the USSR.
• E. Russian Polar Expedition
  The Russian Polar Expedition was an early 20th-century Russian Arctic exploration mission led by Eduard Toll that sought to chart and study the high-latitude regions of the Arctic Ocean and its islands.
• F. None of above. chosen