Lebanon's parliament elected army chief Joseph Aoun head of state on Thursday, filling the vacant presidency with a general who has U.S. support and showing the weakened sway of the Iran-backed Hezbollah group after its devastating war with Israel.

Though Lebanon’s presidency is mostly symbolic, it has a few important powers, like approving prime ministers and cabinets. In a country still haunted by the memory of civil war, symbolism is important too: how the head of state is chosen says much about the balance of power in Lebanon’s factious politics.

Lebanon's newly elected president, Joseph Aoun, said Thursday that "a new phase" has started for the war-ravaged country and pledged to rebuild the state, adopt a policy of "positive neutrality" and fight corruption.