What round flatbread is a staple in traditional Mexican cooking, often used for tacos?

Tortilla

Which year was Taylor Swift named Billboard's Woman of the Decade? Which disciple betrayed Jesus for silver? India celebrates Christmas in various ways. Which Indian state, known for its colonial Portuguese influence, is famous for festive Christmas celebrations? What English town is famous for its annual Dickensian-style Christmas market? Who created the sculpture "The Thinker"?