Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: American westward expansion | Statement: [Northwest Indian War, relatedTo, American westward expansion]

Target entity: American westward expansion
Context triple: [Northwest Indian War, relatedTo, American westward expansion]

• A. United States territorial expansion chosen
  United States territorial expansion refers to the historical process by which the United States grew from a cluster of Atlantic coast colonies into a transcontinental nation through purchases, wars, treaties, and settlement.
• B. Louisiana Purchase
  The Louisiana Purchase was an 1803 land deal in which the United States bought a vast territory from France, doubling the nation's size and securing control of the Mississippi River region.
• C. Illinois frontier
  The Illinois frontier was the sparsely settled, contested border region of early Illinois where settlers, Native American nations, and military forces frequently clashed during westward expansion.
• D. Indian Removal policy of the United States
  The Indian Removal policy of the United States was a 19th-century federal strategy that forcibly displaced Native American nations from their ancestral homelands in the East to territories west of the Mississippi River, leading to widespread suffering and events such as the Trail of Tears.
• E. Old West
  The Old West refers to the 19th-century American frontier era characterized by westward expansion, cowboys, lawlessness, and conflicts between settlers, Native Americans, and outlaws.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.