In the absence of written evidence of female communities that existed before the nineteenth century, communal activities such as quilt-making and storytelling through oral narratives are considered legitimate sources of information about such communities. Most quilts were either spun, sewn or woven for non-commercial use, or created through a process known as colonial quilting by those who engaged in quilt-making as a hobby. Therefore, most women from wealthy families must have engaged in the colonial style of quilting, because _________________

Which of the following, if true, best completes the passage above?