Prove shylock is stubborn​

What two elements normally must exist before a person can be held liable for a crime

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly

Select all that apply. select the ways that labor unions can increase wages. collective bargaining reducing the labor supply increasing the demand for labor creating monopolies