Answer: they were usually sent to the gas chambers
Explanation:
The young, elderly and sick all were considered useless as far as being laborers. They were separated when they arrived and the group with the elderly, sick and young usually were sent to be killed right away. Anyone that was healthy was kept alive to work
It's C because the subject is " the new coaches " and the predicate is the rest.
System is a kind of program that evaluate leaderships