The correct answer is civil disobedience
The period saw major technological advances, including the adoption of gunpowder, the invention of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, medieval castles), and agriculture in general (three-field crop rotation)
Ask the Principle! the Principle has a map of her/his school for sure. And therefore could tell you the distance around your school.
The Barbary states was the name of the four North African states: Tangier, Algiers, Tripoli and Tunis, from 16th through 19th century. The name comes from the Berber people, who were living in that area.
Answer: The missing state is Tunis .