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What were the basic limitations in the hierarchical database model?
Trenches
Long, narrow ditches excavated by military forces for defensive purposes in warfare, notably widespread in World War I.
Spartanburg
A city in South Carolina, known for its rich history and as a center for higher education and cultural events.
Racial Incident
An event characterized by racial tensions or prejudices that often leads to conflict or harm towards a racial group.
Fifteenth New York Infantry
An African American regiment in the Union Army during the Civil War, also known as one of the United States Colored Troops (USCT).
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