What was the purpose of the knights of labor? ?

They were a union who wanted to educate the situation of labor.

Explanation:

At the end of the 19th century, the Knights of Labor was a labor federation that advocated improving the situation of workers, that fought for an eight-hour workday and encouraged the ethics of the Republican producers.

They acted like a union at times, representing workers, but those activities were not fully organized.

i think its provide for the common defense

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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explanation: