The order would be John Dalton, Thomson, Rutherford, Bohr, Schrodinger. I took chemistry! :)
The following reasons are put forward for its abrupt end: The neighboring desert encroached on the fertile area and made it infertile. Regular floods destroyed the area. Aryan invaders killed people and destroyed the Indus Valley Civilization.
HOPE THIS HELPED!!
Answer:
A. tarrif of 1833 that's the answer
I believe they were extending the revolution through the medium of anti slavery, the strongest Union principle.
