[Q]: The answer to the question: What practice continued on the Island until the early 20th century? is inside the article: The traditions of the local peoples are unanimous in affirming that the oldest inhabitants of Casamance are the Bainuk people and that the left bank of the mouth of the river was first populated by the Jola. Portuguese sailors reached the west African coast in the 15th century, and in the 16th century, Portuguese traders became active in the Casamance region, mostly in search of wax, ivory, and slaves. They did not linger on "Mosquito Island", instead founding their first trading post at Ziguinchor in 1645.In the late 1820s, a mulatto trader from Gorée, Pierre Baudin, moved to Itou and began planting rice and producing lime by crushing the shells of mangrove oysters and cooking them in lime kilns. The French administration treated Baudin as their representative on the island and did not send others because few of the French wanted to live on the island. Being wet and marshy, Carabane had a reputation for its poor sanitation. The local economy was based mainly on weedy rice, which was sold in Ziguinchor or to the British in The Gambia. The Baudin family used slaves to produce the rice and, despite the declaration of its official abolition in the French colonial empire in 1848, slavery continued on the island until the early 20th century.The colonial administration wanted to expand its influence around the river, particularly because the inhabitants of Gorée were threatened with losing part of their resources with the imminent demise of the slave trade, and also because of their competition with Saint-Louis. On January 9, 1836, Lieutenant Malavois, who was in charge of Gorée, left for Casamance in search of a site for a trading post. The tip of Diogue, on the north shore, was first considered, but at the refusal of the Jola, it was the opposite bank which was eventually accepted., can you guess it ?
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[A]: slavery

input: Please answer the following: The answer to the question: What is the last name of the person who is infatuated with Betsy? is inside the article: Travis Bickle, a 26-year-old honorably discharged U.S. Marine, is a lonely, depressed young man living in isolation in New York City. He takes a job as a taxi driver to cope with his chronic insomnia, driving passengers every night around the city's boroughs. He also frequents the porn theaters on 42nd Street and keeps a diary in which he consciously attempts to include aphorisms, such as "You're only as healthy as you feel." Travis becomes infatuated with Betsy, a campaign volunteer for Senator and presidential candidate Charles Palantine. After watching her interact with fellow worker Tom through her window, Travis enters to volunteer, as a pretext to talk to her, and takes her out for coffee. On a later date, he naively takes her to see a pornographic film, which offends her, and she goes home alone. His attempts at reconciliation by sending flowers are rebuffed, so he berates her at the campaign office, before being kicked out by Tom. Travis is disgusted by the sleaze, dysfunction, and prostitution that he witnesses throughout the city. His worldview is furthered when an adolescent prostitute and runaway, Iris, enters his taxi, attempting to escape her pimp, Sport. Sport drags Iris from the taxi and throws Travis a crumpled $20 bill, which continually reminds Travis of her and the corruption that surrounds him. A similarly influential event occurs when an unhinged passenger gloats to Travis of his intentions to murder his wife and her lover. Travis confides in fellow taxi driver Wizard about his thoughts, which are beginning to turn violent; however, Wizard assures him that he will be fine, leaving Travis to his own destructive path., can you guess it ?
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output: Bickle

Problem: The answer to the question: What did the Tibetans capture in 678? is inside the article: Although the Silk Road from China to Europe and the Western World was initially formulated during the reign of Emperor Wu (141–87 BC) during the Han, it was reopened by the Tang in 639 when Hou Junji (d. 643) conquered the West, and remained open for almost four decades. It was closed after the Tibetans captured it in 678, but in 699, during Empress Wu's period, the Silk Road reopened when the Tang reconquered the Four Garrisons of Anxi originally installed in 640, once again connecting China directly to the West for land-based trade. The Tang captured the vital route through the Gilgit Valley from Tibet in 722, lost it to the Tibetans in 737, and regained it under the command of the Goguryeo-Korean General Gao Xianzhi. When the An Lushan Rebellion ended in 763, the Tang Empire had once again lost control over its western lands, as the Tibetan Empire largely cut off China's direct access to the Silk Road. An internal rebellion in 848 ousted the Tibetan rulers, and Tang China regained its northwestern prefectures from Tibet in 851. These lands contained crucial grazing areas and pastures for raising horses that the Tang dynasty desperately needed.Despite the many expatriate European travelers coming into China to live and trade, many travelers, mainly religious monks and missionaries, recorded the strict border laws that the Chinese enforced. As the monk Xuanzang and many other monk travelers attested to, there were many Chinese government checkpoints along the Silk Road that examined travel permits into the Tang Empire. Furthermore, banditry was a problem along the checkpoints and oasis towns, as Xuanzang also recorded that his group of travelers were assaulted by bandits on multiple occasions. The Silk Road also affected Tang dynasty art. Horses became a significant symbol of prosperity and power as well as an instrument of military and diplomatic policy. Horses were also revered as a relative of the dragon., can you guess it ?

A:
Silk Road