Answer:
The balance of power was changed by conservative powers to uphold the balance of power, maintain their power, oppose revolution movements, and weaken nationalism forces.
Step-by-step explanation:
The reign of Napoleon Bonaparte changed the balance of power in central Europe through the Congress of Vienna which later became the Concert of Europe. It was a form of dispute resolution adopted by the major conservative powers in Europe such as Britain, Russia, and Australia with an aim of upholding the balance of power, maintaining their power, opposing revolution movements, and weakening nationalism forces to prevent future conflicts.