Final answer:
The National Consumers League (NCL), founded by Jane Addams and Josephine Lowell and led by Florence Kelley as its first general secretary, identified products made under healthful working conditions and encouraged ethical consumer practices.
Step-by-step explanation:
Jane Addams and Josephine Lowell founded the National Consumers League (NCL), which identified products made under healthful working conditions and encouraged women to buy these products. The NCL sought to end child labor and other abusive practices by educating consumers about the conditions under which products were made. Florence Kelley, the first general secretary of the NCL, played a pivotal role in this effort by documenting poor working conditions and advocating for label certification on products not made by children, urging consumers to purchase goods with the NCL label.