The problem: Answer a question about this article:
In Sand Springs, an outdoor amphitheater called "Discoveryland!" is the official performance headquarters for the musical Oklahoma! Ridge Bond, native of McAlester, Oklahoma, starred in the Broadway and International touring productions of Oklahoma!, playing the role of "Curly McClain" in more than 2,600 performances. In 1953 he was featured along with the Oklahoma! cast on a CBS Omnibus television broadcast. Bond was instrumental in the title song becoming the Oklahoma state song and is also featured on the U.S. postage stamp commemorating the musical's 50th anniversary. Historically, the state has produced musical styles such as The Tulsa Sound and western swing, which was popularized at Cain's Ballroom in Tulsa. The building, known as the "Carnegie Hall of Western Swing", served as the performance headquarters of Bob Wills and the Texas Playboys during the 1930s. Stillwater is known as the epicenter of Red Dirt music, the best-known proponent of which is the late Bob Childers.
Who starred in the Broadway production of 'Oklahoma!'?
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The answer: Ridge Bond

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On 6 April 1941, German forces, with Hungarian and Italian assistance, launched an invasion of Yugoslavia. On 10 April 1941, Slavko Kvaternik proclaimed the Independent State of Croatia, and Tito responded by forming a Military Committee within the Central Committee of the Yugoslav Communist Party. Attacked from all sides, the armed forces of the Kingdom of Yugoslavia quickly crumbled. On 17 April 1941, after King Peter II and other members of the government fled the country, the remaining representatives of the government and military met with the German officials in Belgrade. They quickly agreed to end military resistance. On 1 May 1941, Tito issued a pamphlet calling on the people to unite in a battle against the occupation. On 27 June 1941, the Central Committee of the Communist Party of Yugoslavia appointed Tito Commander in Chief of all project national liberation military forces. On 1 July 1941, the Comintern sent precise instructions calling for immediate action.
What did Tito use to get the people to unit in a battle against the occupation in 1941?
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The answer: pamphlet

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Neoclassicism also influenced city planning; the ancient Romans had used a consolidated scheme for city planning for both defence and civil convenience, however, the roots of this scheme go back to even older civilizations. At its most basic, the grid system of streets, a central forum with city services, two main slightly wider boulevards, and the occasional diagonal street were characteristic of the very logical and orderly Roman design. Ancient facades and building layouts were oriented to these city design patterns and they tended to work in proportion with the importance of public buildings.
What basic civil planning system for streets is rooted in neoclassicism?
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The answer: grid system

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Muslims believe the Quran was verbally revealed by God to Muhammad through the angel Gabriel (Jibril), gradually over a period of approximately 23 years, beginning on 22 December 609 CE, when Muhammad was 40, and concluding in 632, the year of his death. Muslims regard the Quran as the most important miracle of Muhammad, a proof of his prophethood, and the culmination of a series of divine messages that started with the messages revealed to Adam and ended with Muhammad. The word "Quran" occurs some 70 times in the text of the Quran, although different names and words are also said to be references to the Quran.
Which angel is believed to have communicated the Quran to Muhammad?
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The answer:
Gabriel