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: Missouri secession crisis | Statement: [Camp Jackson Affair, relatedEvent, Missouri secession crisis]

Target entity: Missouri secession crisis
Context triple: [Camp Jackson Affair, relatedEvent, Missouri secession crisis]

• A. Missouri statehood controversy
  The Missouri statehood controversy was an early 19th-century political conflict over the expansion of slavery into new U.S. territories, culminating in the Missouri Compromise and exposing deep sectional tensions between North and South.
• B. Bleeding Kansas crisis
  The Bleeding Kansas crisis was a period of violent conflict in the Kansas Territory in the 1850s between pro-slavery and anti-slavery forces, foreshadowing the American Civil War.
• C. Nullification Crisis
  The Nullification Crisis was an early 1830s political confrontation between the U.S. federal government and South Carolina over the state's attempt to nullify federal tariffs, testing the limits of states' rights and federal authority.
• D. Mormon–Missouri conflict
  The Mormon–Missouri conflict was a violent 1830s clash between Latter-day Saint settlers and other Missourians that culminated in the 1838 Mormon War and the expulsion of Mormons from the state.
• E. Annexation Crisis
  The Annexation Crisis was a 1908–1909 international dispute sparked by Austria-Hungary’s annexation of Bosnia and Herzegovina, heightening tensions among the European great powers before World War I.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Missouri secession crisis
Triple: [Camp Jackson Affair, relatedEvent, Missouri secession crisis]

The Missouri secession crisis was a pivotal early–Civil War political and military struggle over whether the border state of Missouri would join the Confederacy or remain in the Union.

Target entity: Missouri secession crisis
Target entity description: The Missouri secession crisis was a pivotal early–Civil War political and military struggle over whether the border state of Missouri would join the Confederacy or remain in the Union.

• A. Missouri statehood controversy
  The Missouri statehood controversy was an early 19th-century political conflict over the expansion of slavery into new U.S. territories, culminating in the Missouri Compromise and exposing deep sectional tensions between North and South.
• B. Bleeding Kansas crisis
  The Bleeding Kansas crisis was a period of violent conflict in the Kansas Territory in the 1850s between pro-slavery and anti-slavery forces, foreshadowing the American Civil War.
• C. Nullification Crisis
  The Nullification Crisis was an early 1830s political confrontation between the U.S. federal government and South Carolina over the state's attempt to nullify federal tariffs, testing the limits of states' rights and federal authority.
• D. Mormon–Missouri conflict
  The Mormon–Missouri conflict was a violent 1830s clash between Latter-day Saint settlers and other Missourians that culminated in the 1838 Mormon War and the expulsion of Mormons from the state.
• E. Annexation Crisis
  The Annexation Crisis was a 1908–1909 international dispute sparked by Austria-Hungary’s annexation of Bosnia and Herzegovina, heightening tensions among the European great powers before World War I.
• F. None of above. chosen