After the Conclusion of the Thirty Years' War in 1648

After the conclusion of the Thirty Years' War in 1648, the Holy Roman Empire experienced which of the following?

A) It became one of the most powerful and centralized monarchies in Europe under the domination of Spanish grandees.
B) It was not really an empire at all but rather a loose association of 300 German states.
C) It became divided into three great warring states: Prussia, Poland, and Silesia.