sentences:  Natural fibers have been an important aspect of human society since 7000 B.C., and it is suspected that they were first used in ornamental cloths since 400 B.C.in India where cotton was first grown.Natural fibers have been used for the past 4000 to 5000 years to make cloth, and plant and animal fibers were the only way that clothing and fabrics could be created up until 1885 when the first synthetic fiber was made.