With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Plantation era is loosely given as the Antebellum era.
text_B: The Plantation era , also loosely referred to as the Antebellum era , was a period in the history of the Southern United States , from the late 18th century until the start of the American Civil War in 1861 -LRB- which ended slavery in the United States and destroyed much of the economic landscape of the South -RRB- , marked by the economic growth of the South , based on slave-driven plantation farming .. history of the Southern United States. history of the Southern United States. American Civil War. American Civil War. slavery in the United States. slavery in the United States. plantation farming. Plantations in the American South. Much of the economic growth of this era can be attributed to the rise of the plantation system and the use of slave labor , which many historians believe to be responsible for the economic woes of the South during the Reconstruction Era .. Reconstruction Era. Reconstruction Era. The concurrent rise in large-scale farming and in plantation slavery has led to studies on the institution of slavery as an economic system .. The plantation system eventually grew to form the industrial and social frame of government in the Southern slave states , while the associated institution of slavery became the basis of the Southern social system , ideology , and a set of psychological patterns .. slave states. slave and free states
related.