Rahaf Yousef, 13, a Syrian refugee, at home on the day of her engagement party in the Zaatari camp, 10 km east of Mafraq, Jordan, Aug. 29, 2014. For many Syrian families in Jordan’s refugee camps, marrying girls off at younger ages is seen as necessary, but women’s advocates say that they are trading immediate dangers for longer-term ones. (Lynsey Addario/The New York Times) -- NO SALES