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

Your answer is "religious difference".

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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

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.