Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In the far north, there is a division between Berber-descendent Tuareg nomad populations and the darker-skinned Bella or Tamasheq people, due the historical spread of slavery in the region. An estimated 800,000 people in Mali are descended from slaves. Slavery in Mali has persisted for centuries. The Arabic population kept slaves well into the 20th century, until slavery was suppressed by French authorities around the mid-20th century. There still persist certain hereditary servitude relationships, and according to some estimates, even today approximately 200,000 Malians are still enslaved.
Who is their division between in the South?
A: unanswerable

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In 1975, Sadat shifted Nasser's economic policies and sought to use his popularity to reduce government regulations and encourage foreign investment through his program of Infitah. Through this policy, incentives such as reduced taxes and import tariffs attracted some investors, but investments were mainly directed at low risk and profitable ventures like tourism and construction, abandoning Egypt's infant industries. Even though Sadat's policy was intended to modernise Egypt and assist the middle class, it mainly benefited the higher class, and, because of the elimination of subsidies on basic foodstuffs, led to the 1977 Egyptian Bread Riots.
What was largely ignored and upset many of Sadat's polidy?
A: elimination of subsidies on basic foodstuffs

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Defining exactly what section of a DNA sequence comprises a gene is difficult. Regulatory regions of a gene such as enhancers do not necessarily have to be close to the coding sequence on the linear molecule because the intervening DNA can be looped out to bring the gene and its regulatory region into proximity. Similarly, a gene's introns can be much larger than its exons. Regulatory regions can even be on entirely different chromosomes and operate in trans to allow regulatory regions on one chromosome to come in contact with target genes on another chromosome.
What is an example of a regulatory region of a gene that does not have to close to the coding sequence?
A: enhancers

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Faced with this loss of business, Valencia suffered a severe economic crisis. This manifested early in 1519–1523 when the artisan guilds known as the Germanies revolted against the government of the Habsburg king Charles I in Valencia, now part of the Crown of Aragon, with most of the fighting done in 1521. The revolt was an anti-monarchist, anti-feudal autonomist movement inspired by the Italian republics, and a social revolt against the nobility who had fled the city before an epidemic of plague in 1519. It also bore a strong anti-Islamic aspect, as rebels rioted against Aragon's population of mudéjars and imposed forced conversions to Christianity.
What were the artisan guilds called?
A:
the Germanies