In the 17th Century, international relations foundations were laid in what was called the Peace of Westphalia treaties, following sectarian wars and countries fighting in Europe. The treaties ended conflicts, some of which lasted 30 years, and killed eight million people.
Influence of international organizations
More importantly, he threatened to reassess his country’s commitments towards the very strategic NATO. Washington’s share in NATO’s budget is massive - $650 billion - which is more than double what all other 27 member-countries pay altogether! Trump is asking NATO for more power, and from the rest of the members more financial commitment, and military participation in fighting, including Germany and Japan.Abdulrahman al-Rashed