The potato arrived in Europe as a curiosity and stayed as a staple. Farmers were sl to tr a pl that gr underground a belonged t a fam with pois relatives, a for dec it was fed mainly to animals. What changed the argument was arithmetic. An acre of potatoes fed far more people than an acre of grain, and the crop survived weather that ruined a harvest of wheat.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.