What group was established to aid formerly enslaved people after the Civil War?

Freedmen’s Bureau

In the film "Cars", what's the name of the town Lightning McQueen gets stranded in? Which edible seed is commonly consumed as a grain and originates from South America? Who was the Catholic Queen responsible for persecuting Protestants, earning her the nickname 'Bloody'? Which English philosopher formulated the concept of empiricism and the tabula rasa? What spice is derived from dried crocus flower stigmas?