structural:expansion, quality:corruption, linguistic:translation, structural:summarization
Crimean Khanate (1443–1783)

In the 1440s the Crimean Khanate formed out of the collapse of the horde but quite rapidly itself became subject to the Ottoman Empire, which also conquered the coastal areas which had kept independent of the Khanate. A major source of prosperity in these times were frequents raids into Russia for slaves.