The correct answer is c looked it up on yahoo
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.
Roosevelt proposed creating a federal agency, The Department of Commerce and Labor, to investigate business
