In capitalism, when John buys a toy plane his money is injected back into the economy, this means that John's money will end up being used to pay the employees' wages and to pay taxes. In other words, <u>buying</u> is necessary in this economic system, if people didn't buy stuff then no one could be paid and the government wouldn't get money either.
The rebellion was the result of decades of ethnic and cultural differences between Indian soldiers and their British officers. The indifference of the British towards Indian rulers like the Mughals and ex- Peshwas and the annexation of Oudh were political factors triggering dissent amongst Indians.