Final answer:
The Janissary system of the Ottomans and the mamluk system in Egypt were similar in that they both relied on imported slaves for military and administrative roles.
Step-by-step explanation:
The Janissary system of the Ottomans and the mamluk system in Egypt were similar in that they both relied on imported slaves for military and administrative roles. In the Ottoman Empire, young boys were taken as tribute captives and converted to Islam to become Janissaries. Similarly, in Egypt, the Mamluks were elite, educated, enslaved soldiers who defended and administered the Mamluk Sultanate.