In some democracies, there are only two big political parties. For example, in the United States, there is the Democratic Party and the Republican Party. Some other parties exist but are very small and do not hold seats in Congress. In other countries there are larger numbers of parties.
The correct answer is:
These groups were the prime victims of the genocide caused by Arab, Turkish, Mughal, and Afghan occupants of India during the "Indian Holocaust". In addition to the massacres and mass rapes, thousands of Hindu and Buddhist temples were destroyed.
This event is possibly the most bloody and considered the biggest massacre in human history, even greater than the Jewish Holocaust - which it is commonly compared to.