Elaborate (at least three) key impacts of the Treaty of Westphalia on modern-day practices of international relations. Then, discuss details on the concepts, strategies, and outcomes of the 19th Century balance of power exercised by major powers of that time in history

The historical context of international relations significantly influences not only present-day IR as a discipline but behaviors and decision makings of major actors of global politics. Elaborate (at least three) key impacts of the Treaty of Westphalia on modern-day practices of international relations. Then, discuss details on the concepts, strategies, and outcomes of the 19th Century balance of power exercised by major powers of that time in history.