Answer:
The response that contains the correct four is physical control, coercion, undue influence, and manipulation.
Explanation:
- Physical control: The masters of the victims often used to bound them to do and not do certain physical tasks. To make sure that their slaves comply with their orders, they sometimes used to tie some of their organs.
- Coercion: The masters used to force the slaves into doing unhealthy and hazardous activities that sometimes proved fatal.
- Undue influence: The masters influenced the slaves in such a way that the slaves started believing that there is no great being than the master.
- Manipulation: The slaves were manipulated to think in a certain way which was beneficial for the master.