Why were the janissaries important to the Ottoman Empire? (1 point)
O They were naval commanders who kept the borders of the Ottoman Empire safe from invasion.
O They were military spies loyal to the sultan who ensured his enemies would not betray him.
O They were an infantry unit loyal to the sultan so that he always had a strong military even without the support of his vassals.
O They were advisers to the sultan on religious matters who ensured that the sultan never broke Islamic law: