The knights of labor: was an inclusive organization that advocated for a vast array of reforms. organized only skilled, white, native-born workers. did not admit women. never had more than a few hundred members. cooperated with big business.

Was inclusive organization that advocated for a vast array of reforms is the correct answer.

Explanation:

The knights of Labor was an American labor organization active in late 19th century in USA and Canada and had branches in Great Britain and Australia. Its leaders were Terence V. Powderly and his brother Joseph Bath. It aimed at upliftment of working people while rejecting anarchism and socialism. Their major demands was eight hour work day, abolition of child labor and equal pay for equal work.  It negotiated with the employer and acted as labor union, its major drawback was that it was poorly funded and not organized well. It lost its members after 1880s. At the peak of its popularity in 1886 it had 800,000 members. It also accepted women and blacks as members.

the anwser is a) to prevent military conflict