Germany.
Nazi Germany it controlled most of France Poland Austria Denmark Czechoslovakia
Germany
The English gained Canada 100% under his control .
It gained dominance of Western Europe and a stepping stone into Eastern Europe.
It gained dominance of the Western Mediterranean.
The Soviet Union (basically Russia) had control of Eastern Europe for a long time and most states just recently gained independence in the late 1900s.
No, the country of the Netherlands is independent from the country of Belgium. Actually, Belgium gained independence from the Netherlands, once being under Dutch control.
French
It was the Huns
They gained a powerful ally in the roman catholic church.
Joseph Staltin