Final answer:
The Egyptians likely needed more slaves to replace labor shortages caused by factors like war, economic needs, or population losses, as slavery was integral to their society and economy.
Step-by-step explanation:
The Egyptians may have needed new slaves to compensate for labor shortages due to various factors such as war, economic expansion, and the loss of labor from the population. As noted from history, the enslavement of people including the Hebrews during the New Kingdom period and the utilization of hostages or members of the royal families as slaves or cultural bridges signified the importance of enslavement in Egypt for maintaining labor forces and political stability. Furthermore, the broader historical context shows slavery as an integral part of several ancient economies, with frequent shortages leading to the capture or purchase of more enslaved people.