Question

which describes the junker class? liberals who were opposed to king wilhelm i revolutionaries who called for german unification conservatives who supported king wilhelm i political parties under the second reich

Explanation:

The Junkers were Prussian - German conservative landowning nobility. They supported King Wilhelm I and were in favor of German unification under Prussian leadership. They were not liberals, revolutionaries in the traditional sense, or political parties under the Second Reich.

Answer:

conservatives who supported King Wilhelm I