Is defined as the length of formal training and experience of employees?

I believe the answer is professionalism.
Professionalism would also be translated as a set of skills that expected from someone at a certain job position.
In order to obtain those set of skills, Experiences and formal training are the most crucial factors to have.

They wanted to make slaves out of them.they wanted force them to move off their landthey wanted to make them grow crops for very little pay.they refused to speak native american languages