The Navajo Learned How to Weave in the 17th Century

The Navajo learned how to weave in the 17th century. They transformed their blankets into rugs to meet the tourist demands that the railroads brought to the Southwest in the late 1800s. They mastered a wide variety of designs and used their own sand painting designs as well. Which of the following would allow the incorporation of sand painting design into the weaving design?

A) The difference in materials allowed sand painting designs to be used.
B) The poor weaving techniques allowed sand painting designs to be used.
C) The sand painting designs were altered, which allowed their use.
D) The vegetal dyes caused rapid fading, which allowed their use.