This is the 2760th most frequent Arabic word.
تولي
Assumption of responsibility, undertaking, or taking charge.
In this sentence, "تولى" is used to indicate taking on or assuming a role, responsibility, or duty.
تولى أحمد قيادة الفريق في المباراة.
Ahmed assumed leadership of the team in the match.
Here, "تولي" conveys the act of a party (the state) undertaking an important responsibility.
تولي الدولة مسؤولية توفير التعليم للجميع من حقوق المواطنين.
The state assumes responsibility for providing education to all as a right of the citizens.
In this usage, "توليه" refers specifically to someone having taken up a position, implying action or control in the role.