Identify and explain the significance of each item below.

Domesday Book (p. 255)

primogeniture (p. 256)

Holy Roman Empire (p. 257)

reconquista (p. 260)

common law (p. 261)

Magna Carta (p. 262)

chivalry (p. 263)

simony (p. 267)

college of cardinals (p. 267)

excommunication (p. 267)

canon law (p. 269)

religious orders (p. 270)

friars (p. 273)

Crusades (p. 276)

indulgences (p. 276)

Christendom (p. 282)