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In Iran (Persia), the history of cotton dates back to the Achaemenid era (5th century BC); however, there are few sources about the planting of cotton in pre-Islamic Iran. The planting of cotton was common in Merv, Ray and Pars of Iran. In Persian poets' poems, especially Ferdowsi's Shahname, there are references to cotton ("panbe" in Persian). Marco Polo (13th century) refers to the major products of Persia, including cotton. John Chardin, a French traveler of the 17th century who visited the Safavid Persia, spoke approvingly of the vast cotton farms of Persia.

Use of cotton in Iran dates back to what period?
Answer: Achaemenid era
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Many people gain a sense of positive self-esteem from their identity groups, which furthers a sense of community and belonging. Another issue that researchers have attempted to address is the question of why people engage in discrimination, i.e., why they tend to favor those they consider a part of their "in-group" over those considered to be outsiders. Both questions have been given extensive attention by researchers working in the social identity tradition. For example, in work relating to social identity theory it has been shown that merely crafting cognitive distinction between in- and out-groups can lead to subtle effects on people's evaluations of others (Cote & Levine 2002).

Distinction between in and out groups has been shown to affect people's evaluations of others in work related to what?
Answer: social identity theory
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The William Allen White School of Journalism and Mass Communications is recognized for its ability to prepare students to work in a variety of media when they graduate. The school offers two tracts of study: News and Information and Strategic Communication. This professional school teaches its students reporting for print, online and broadcast, strategic campaigning for PR and advertising, photojournalism and video reporting and editing. The J-School's students maintain various publications on campus, including The University Daily Kansan, Jayplay magazine, KUJH TV and KJHK radio. In 2008, the Fiske Guide to Colleges praised the KU J-School for its strength. In 2010, the School of Journalism and Mass Communications finished second at the prestigious Hearst Foundation national writing competition.

Who sponsors a contest for journalistic writing?
Answer:
Hearst Foundation