What was the original cause of the thirty years war in europe

Your answer is "religious difference".

Hope this helps!

The Thirty Years War began as a religious civil war between the Protestants and Roman Catholics in Germany that engaged the Austrian Habsburgs and the German princes. The war soon developed into a devastating struggle for the balance of power in Europe

d is the best answer for this question.

when she faked her death and the readers knew but romeo didn't.