Your answers are A, C, and D :) I just got this test done and these were the correct answers :) Just incase anyone says its false I have the screenshots lol :P
In ancient India, the Untouchables were the people who happened to fall outside the formal Caste System. Usually, but not always, this pertained to low-level people in society.
It's unions
Explanation:
Google also said it was right.
Those factors were:
city-states
the drawing of political borders
divide and rule policies
Ok on wekipedia i just had this same question.