Claudia Sheinbaum will take the oath of office as Mexico’s first female president in more than 200 years of independence, promising to protect an expanded social safety net and fight for the poor like her predecessor,

Claudia Sheinbaum takes office Tuesday as Mexico's president, becoming the first woman to lead a country that is the United States' biggest trading partner. Her inauguration launches a six-year term during which she will navigate Mexico's all-important relationship with its northern neighbor,