Skillfully performing only one task in a process is called:

The correct answer is specialization. Indeed, within a capitalist system, workers (especially industrial ones) specialize in only one task that they perform skillfully within a manufacturing system where all the tasks performed contribute to the goal of the fabrication of an industrial product.  Fordism and Taylorism included such practices.

what the first or next guy says

"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."