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Chile was not one of the dominant powers.
Italy
Europe was the center of world power.
Unfortunately all countries in Eastern were not recently dominant powers in Eastern Europe except the Soviet Union. So many new countries have been created recently that it can be said that all of these were not dominant powers. Problem with question is that in past almost all countries in Eastern Europe were part of or carried name of once dominant powers. Examples are the countries that once were part of one of the world's empires, especially the Holy Roman empire, the Russian empire, the Ottoman empire, Sweden, Austrian-Hungarian empire, the Roman empire, France under Napoleon, the Byzantine empire (lands held in lower Eastern Europe), the Greek empire, or farther back, the Macedonian Empire or the Minoan Empire (the actual extent of which is still not clear). Therefore this question is basically unanswerable unless the definitions within the question are clarified/defined (especially as to what does dominant mean, what time frame is being discussed, and what area constitutes "Eastern Europe".
Latvia, Lithuania, and Estonia were always under the shadow of Tsarist Russia or the USSR. Poland was always under the shadow of both Russia and Germany, with its territory changing hands according to whoever came out victorious in the latest European war.
A series of wars in the 17th and 18th centuries with the Netherlands and France left in 1707, Great Britain) the dominant colonial power in North America and India.
In order to answer this we need to see a list of countries.
the emergence of the US and the USSR as the dominant world powers, supplanting the UK and the other nations of Europe; the division of Germany into East and West; Soviet occupation of Eastern Europe; the end of fascism is a significant political force; (indirectly) the establishment of a Jewish state in Palestine
National power is the same as expressed power, or the power that belongs to the whole nation. Reserved powers belong to the states, and concurrent powers are powers that belong to both the states and the nation.
There were three central powers that divided Europe were Germany,Austria/Hungary,Italy
Supreme Headquarters Allied Powers Europe was created in 1951.
Germany is becomming the dominant power in Central Europe. France, Russia & by extension Britain have good reasons to fear German aggression. German association with Austria/Hungary make for a very potent force in Europe.