The Reconstruction of the Prussian State, Prerequisite to the Reconstruction

The reconstruction of the Prussian state, prerequisite to the reconstruction of the army, was initiated by Baron Stein where he:

A) abolished serfdom but at the cost of antagonizing the Junker class.
B) freed the peasants but gave them no land.
C) created a class of small landowners similar to the French peasantry.
D) abolished serfdom but still subjected the peasants to forced labor on the landlords' fields.