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

assassination

revolution

religious differences

land disputes

description

religious differences

Explanation:

The Thirty Years War started in 1618 and lasted until 1648. It was a war driven by religious differences between Protestants and Catholics. In its early stage, it compromised only Central Europe but as the war developed most of Europe became involved. As a result, horrific violence and destruction widespread in Europe, especially in Germany lands, and only ended in 1648 with the sign of peace treaties.  

it's lower nubia : ) good luck

b) the confederacy had to pay all union war expenses.