Final answer:
Under the Mississippi Black Code, an employer needed to make a contract work agreement when the work would take longer than a month.
Step-by-step explanation:
Under the Mississippi Black Code, an employer needed to make a contract work agreement when the work would take longer than a month. This law was introduced in 1865 and was intended to establish control over formerly enslaved people and ensure a steady labor force for white employers. The contract work agreement specified the terms and conditions of employment, including wages and working hours.
Learn more about Mississippi Black Code