The nineteenth century was Europe's colonial century. At the beginning of the period, the only colonial empire that existed was the British Empire. By the end of the century the situation was completely different and Europe's colonial possessions had come to constitute a large part of the world. The French had acquired an immense colonial empire and the Dutch had extended their control over Indonesia. Germany and Italy, unified only in the latter half of the century, had claimed their place under the sun. Even the tiny Kingdom of Belgium had acquired a huge colonial territory in Africa:...