In Ancient Egypt, the economy, the state bureaucracy and the organization of labor were all heavily reliant on:

Slaves

Explanation:

In Ancient Egypt, the economy, the state bureaucracy, and the organization of labor were all heavily reliant on SLAVES

Ancient Egypt was the period of early Egyptian civilization which spanned between 3100 BC to 30 BC. The period was characterized by using slaves in all aspects of its socioeconomic transaction and activities, including the economy, the state bureaucracy, and the organization of labor.

Hence, it was heavily reliant on the use of Slaves to perform many of the activities.

the confederate at bull run