Look at each pair of statements. Each statement in the pair is labeled as a cause or as an effect. Mark the pair of statements if they are correctly labeled.
A.
Cause: Europe's population decreased.
Effect: The Black Death attacked Europe.
B.
Cause: There were fewer workers.
Effect: Peasants left their manors.
C.
Cause: The manor system crumbled.
Effect: Peasant farmers prospered.
D.
Cause: Skilled craftsmen and others moved away from manors.
Effect: Cities showed signs of new life.