Answer:
Based on the excerpt, the best answer is:
1. a rise in the popularity of bicycles.
Step-by-step explanation:
According to the excerpt, the rise in the popularity of bicycles helped freeing women from heavy clothes and undergarments. Since they would hinder women who wished to ride bicycles, corsets, long dresses, and bulky undergarments were quickly substituted by healthier, lighter pieces of clothing that allowed women to ride bicycles easily.