Final answer:
The agreement mentioned would be a 'collective bargaining agreement' between the Troopers Lodge #41 Fraternal Order of Police and the Illinois State Police, outlining terms of employment and union workers' rights.
Step-by-step explanation:
The agreement between Troopers Lodge #41 Fraternal Order of Police and the Illinois State Police would typically be referred to as the 'collective bargaining agreement' (CBA).
This is a written legal contract between an employer and a union representing the employees. The CBA contains the terms and conditions of employment, including wages, hours, working conditions, and disciplinary measures.
A collective bargaining agreement might cover topics such as union rights, job security, and benefits. These agreements are important in ensuring both parties have a clear understanding of employment conditions and provide a formal framework for addressing disputes or changes in policy.