Answer 1:
The Concert of Europe refers to a general consensus among the Great Powers of 19th-century Europe to maintain the European balance of power, political boundaries, and spheres of influence.
Answer 2:
The old traditional empires stretched over continents gave way in Europe to the nation-state. Change was coming.
They passed personal liberty laws in some states
true is the answer hope this helps
Many suffered from physical and mental injuries, while others felt hostility from civilians around them.
