A few native animals in the old world are pigs, chicken
Art and science probably flourished in Muslim culture for many reasons. Like Islamic art is characterised by the use of geometrical floral or vegetal designs in a repetition known as the arabesque. The arabesque is important in the culture because it is used to symbolise the transcendent, divine and infinite nature of God. Science has also helped the Muslim culture and has raised the lack of scientific literacy in different aspects of the modern Muslim world. For example around the 15th century Muslim mathematicians and astronomers developed of almost all areas of mathematics.
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The Silk Road was a vast trade network connecting Eurasia and North Africa via land and sea routes. The Silk Road earned its name from Chinese silk, a highly valued commodity that merchants transported along these trade networks. Advances in technology and increased political stability caused an increase in trade. But I Think I still don't have the answer