Answer:
b. Sarah G. Bangley.
Step-by-step explanation:
Sarah Bangley was a labor organizer who would lead the Lowell Female Labor Reform Association during 1844. She would become the voice behind the efforts to institute reforms in the mills.
Sarah's reform issues include the limitation of working hours for mill workers. She demanded 10 hours working hours maximum with improved working conditions. When mill owners demanded an increase in the production without increasing the wages, Sarah urged workers to form a union and fight for their rights.
Thus, the correct answer is option b.