Factories began to replace running streams as a source of power for running machines with:

Steam and coal

Explanation:

Before the advent of the Industrial Revolution, running streams were an important source of power for machines. This was important for a great variety of industries. However, as industries developed further, more efficient ways of producing energy were discovered. Steam and coal became two important sources of energy, but also important pollutants in our environment.

by improved communication.

"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."