Answer:
D. to create cultural unity during the Song Dynasty.
Explanation:
Foot binding began in the Song dynasty and became a shorthand for ethnic pride.
Answer: C. to allow husbands to confine their wives
Explanation: also... Contrary to the myth that foot binding was only practised among women of the upper class, foot binding was in fact popular among all the Han Chinese in Northern China. The general purpose of foot binding, however, was to restrict the growth of the feet so that they would not exceed 3-4 inches.
Hope this helps!!! Good luck!!! ;)