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Austria, Hungary, Czechoslovakia
Well Because it just did!
The site of the permanent headquarters of the new international peacekeeping organization formed after World War 2 was Manhattan, New York. The organization is called the United Nations.
in the 1870s Italy and Germany beacme united countries for the first time.
Britain, France, America, all the new countries made from the German, Austro-Hungarian, Ottoman Empires.
Austria, Hungary, Czechoslovakia
From 1984 or 1918? You put your question in World War I category (among others)...
Britan was one of New Zealand's allies in world war 2.
The League of Nations was formed at the end of WW1.
Countries formed after World War I were Poland which was reestablished after nearly a century, Yugoslavia, Czechoslovakia, Soviet Union even though it was an independent country before it was still a new country basically replacing Russia, Finland, Estonia, Lithuania, Latvia, and Turkey.
United Nations
Excluding the three Baltic states, they are: Russia, Belarus, Moldova, Ukraine (new European countries); Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Azerbaijan, Armenia and Georgia.
Some of them were "profits and gains". Well the superpowers at that time want to gain credit for war and therefore they primarily split Germany into smaller countries. (Which has similarly done after WW2) The others were some independence movements if I am not wrong.
They were formed trading alliances
Czechoslovakia, Yugoslavia and Poland
The Formed countries were: Estonia, Lativa, Lithuania, and Finland
they get new lands and alliances with other countries