The was a song from the show called "The Charleston" and it was done in a style similar to Ragtime music. Ragtime music was popular up until the late 1910s and was a heavy influence on dance music of the early 1920s, while jazz heavily influenced dance music in the late 1920s.
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The people in the south of the sahara did not develop the technique in melting iron. the technique was brought to them through the trans-saharan trade. it was a trade route frequented by merchants primarily from arabia and some parts of asia. trough the trading, the civilizations in the sahara over time adopted the technique for melting iron. this would be around 12th century
D. In productivity, which is based on the goods each country produces
Many politically active artists worked for the New Deal projects. United by a desire to use art to promote social change, these artists sympathized with the labor movement and exhibited an affinity for left-wing politics ranging from New Deal liberalism to socialism to communism.
The language spoken most often in Azerbaijan and Farsi (the language spoken in Iran) are considered to the origin of Indo-European languages. However, the Indo-European languages are considered to be a family of several hundred languages and dialects which are all related. There are said to be around 445 Indo-European languages with 313 of them part of the Indo-Iranian branch alone.