The answer to this question is <span>specialties.
Companies with effective specialties will always become the go to place for the market for a product within a certain niche.
For example, despite of its various form of products, Coca cola's specialty has always been its soda beverages ever since the company was established.</span>
Answer: For instance, if two waves are traveling at the same speed, they are inversely related. The wave with shorter wavelength will have a higher frequency while a longer wavelength will have a lower frequency. Frequency and wavelength can be related through the speed of light.
Assuming you mean the Ottoman Empire, the Turks had a massively different mindset. The Byzantine were not religiously tolerant and they actively sought out the conversion of the Turks and other Muslim population. While the ottomans actively gave control of their own land to the Dhmiri a christian estate that payed moderate taxes for religious freedoms. Also the Byzantines had no African or Asian Ambitions like the Ottomans. The Greeks were more interested in Italy the anything else. The Ottomans on the other hand set up one of the largest transcontinental empire ever seen.<span />