King Leopold II profited from the enterprise with a 700% profit ratio for the rubber he took from Congo and exported. He used propaganda to keep the other European nations at bay, for he broke almost all of the parts of the agreement he made at the Berlin Conference. For example, he had some Congolese pygmies sing and dance at the 1897 World Fair in Belgium, showing how he was supposedly civilizing and educating the natives of the Congo. Under significant international pressure, the Belgian government annexed the territory in 1908 and renamed it the Belgian Congo, removing it from the personal power of the king. Of all the colonies that were conquered during the wave of New Imperialism, the human rights abuses of the Congo Free State were considered the worst.