Detailed Instructions: In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: Poland's government was a?, Context: Around the 14th century, there was little difference between knights and the szlachta in Poland. Members of the szlachta had the personal obligation to defend the country (pospolite ruszenie), thereby becoming the kingdom's most privileged social class. Inclusion in the class was almost exclusively based on inheritance.
A:
kingdom