It is true that the Chinese were able to discover the process in producing silk about 2700 BC. So, the answer is letter A. According to the history, The silk discovered from the loss soil in Yellow River in Shanxi Province, in northern China, dated back from 2600 to 2300 or sometime near 2700 BC.
Feelings of security and stability.
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Crimean war weakened the economy of Ottoman empire. Crimean war was a conflict for militaries where russia empire lost their alliance of Sardinia, Britain, France and Ottoman empire
