Answer:The sepoys, who were Indians trained by the British as soldiers, heard rumors that the cartridges for their new Enfield rifles were greased with cow and beef fat.
2) They were discontented because their salaries & opportunities of promotion were not equal to those of British soldiers
"Life, Liberty and the pursuit of Happiness" is a well-known phrase in the United States Declaration of Independence. The phrase gives three examples of the "inalienable rights" which the Declaration says have been given to all humans by their creator.