In What Way Did the Sejm Fail Poland

Multiple Choice

In what way did the Sejm fail Poland?

A) The Sejm failed to advance successful military operations.
B) The Sejm was ruined by royal intrigue that took away power from the governing body.
C) The Sejm was made up of foreigners who did not know the issues of Poland.
D) The Sejm required unanimity for any legislative action, which blocked effective government.