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: Annexation of Texas by the United States | Statement: [Texas Revolution, followedBy, Annexation of Texas by the United States]

Target entity: Annexation of Texas by the United States
Context triple: [Texas Revolution, followedBy, Annexation of Texas by the United States]

• A. Texas Revolution
  The Texas Revolution was an 1835–1836 armed uprising in which Anglo-Texan and Tejano settlers fought to break away from Mexican rule, ultimately leading to the creation of the independent Republic of Texas.
• 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. Mexican–American War
  The Mexican–American War was a mid-19th-century conflict between the United States and Mexico that resulted in significant territorial gains for the U.S., including present-day California, Arizona, New Mexico, and other southwestern lands.
• D. Gadsden Purchase agreement
  The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
• E. United States territorial expansion
  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.
• 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: Annexation of Texas by the United States
Triple: [Texas Revolution, followedBy, Annexation of Texas by the United States]

The Annexation of Texas by the United States was the 1845 incorporation of the formerly independent Republic of Texas into the United States as a state, a pivotal event that heightened sectional tensions over slavery and helped set the stage for the Mexican–American War.

Target entity: Annexation of Texas by the United States
Target entity description: The Annexation of Texas by the United States was the 1845 incorporation of the formerly independent Republic of Texas into the United States as a state, a pivotal event that heightened sectional tensions over slavery and helped set the stage for the Mexican–American War.

• A. Texas Revolution
  The Texas Revolution was an 1835–1836 armed uprising in which Anglo-Texan and Tejano settlers fought to break away from Mexican rule, ultimately leading to the creation of the independent Republic of Texas.
• 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. Mexican–American War
  The Mexican–American War was a mid-19th-century conflict between the United States and Mexico that resulted in significant territorial gains for the U.S., including present-day California, Arizona, New Mexico, and other southwestern lands.
• D. Gadsden Purchase agreement
  The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
• E. 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.
• F. None of above.