The British Empire was the most powerful of all the empires that ever existed on Earth. And, of course, in its history there are many secrets and mysteries. How did it happen that the state, which at one time looked favorably on the slave trade, eventually led the fight against this very slave trade? Perhaps not only the struggle for democracy and freedom, but also the economic interests of the "lord of the seas" caused such a change of priorities? Britain's struggle against the exploitation of blacks by the Boers helped it capture new colonies in Africa. And we need to thank the British for this Cecil Rhodes - "diamond king". And who was the famous Lawrence of Arabia, who did so much to free the Arabs from the yoke of the Ottoman Empire, and at the same time confirmed the dominance of the British Empire in the Middle East?