At the time the Turkish Empire was crumbling, and losing wars against Russia, Prussia, Austria and others. In attempt to modernize, the Turkish Empire opened itself up to more and more Western "advisors". For the first time the Arabian Peninsula and the Yemen was opened up to westerners. Scientists and Sociologists were convinced that in the Yemen lay communities that had been cut off and isolated from the western world for centuries. At the time, leading European scientific journals seriously considered that the remnants of the "Ten Tribes" would actually be found in the Yemen.