i need help! Indus River valley (India) key achievements Nile River (Egypt) achievements Huang He (China) achievements Tigris-Euphrates (Mesopotamia) achievements

Indus river (India): Harappa And the city of Mohenjo-daro

Nile river (Egypt): Ancient egyptian pryramid structures, obelisks, System of mathmatics, Medicine development, etc.

Huang he (China): The great wall of china build, development of budda religion, growing rice products.

Tigris-Euphrates (Mesopotamia): The wheel, plow tool, and cut canals and river connections.

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explanation:

"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: