Often times an agreement between two or more nations are called "Treaties". Major treaties that are negotiated by the US Dept. of State, must be ratified by the US Senate.
Generally speaking, most nations negotiate treaties but they are not finalized until another part of their government approves the treaty.
bilateral agreements
Usually by disagreements between nations/groups of people. Or agreements with other nations/groups of people who have a disagreement with another group/nation. This isn't exactly how all wars start, but boiled down to the core, disagreement or a differing view is usually it.
There are hundreds, from minor insignificant agreements to major agreements that affect the whole nation, as an example, Australia has free trade agreements with the following countries on a bilateral basis. (there are a few more through regional bodies) New Zealand Singapore Thailand US Chile
An alliance.
Congress must approve of treaties and pacts as well as U.N. United Nations related agreements between nations. Then the President must sign the document to approve into law. If a voluntary agreement is made, then congress is not needed unless conflict arises, otherwise 2 nations can arbitrarily agree and work together and or end agreements as predetermined.
Yes, New Zealand is an independent self governing nation. It belongs to a number of international organizations, such as the Commonwealth, the United Nations, and also has a number of multi-lateral agreements with other countries.
Nicaragua.
united nations
A war between nations (countries) is called a war or conflict. A war involving only ONE nation, ONE nation fighting itself, is called a civil war.
The plural form of "nation" is "nations."
The satellite nations are the regions between Germany and Russia that were formed with the assistance of the UN after the MORE
A nation that rules over other nations, known as a dominant or conquering nation, is the founder of an empire of nations.