Answer:
employment at will
Step-by-step explanation:
Employment at will -
It is the labor law , where the the contract between the employee and the employer is mentioned ,i.e. , he or she can terminate the job as long as there is no illegal thing involved.
This piece of contract is signed as soon as the employee is hired , to clear out all the terms and condition about the company.
Hence, from the given information of the question, the correct term is employment at will.