Even this statistic, harsh as it is, does not tell the whole story of the human cost involved in the slave trade. Most slaves were captured in the course of warfare, and many more Africans were killed in the course of this combat. The total number of deaths, then, ran much higher than those killed en route. Many Africans became casualty statistics, directly or indirectly, because of the slave trade. Beyond this, there was the untold human sorrow and misery borne by the friends and relatives of those Africans who were torn away from home and loved ones and were never seen again. Statistics concerning profits in the slave trade are also difficult to obtain. Profits often ran as high as two or three hundred percent, and were an important part of the European economy. These profits provided much of the capital which helped to spur on the industrial revolution. When Queen Elizabeth, in 1562, heard that one of her subjects, John Hawkins, had become involved in the slave trade, she was very critical and commented that he would have to pay a very high price for dealing in human lives. However, when she was confronted with a copy of his profit ledger, her moral indignation softened, and she quickly became one of the members of the corporation. Some merchants were hit hard by the risks accompanying the slave trade and suffered financial disaster. The possible profits were so high, however, that other merchants were always eager to venture into this field and new capital was ever lacking. The industrial revolution, which was partly financed by the slave trade, eventually abolished the need for slavery. The humanitarian outcry against both the slave trade and slavery which occurred at the end of the eighteenth century and swelled in the early nineteenth century, became a significant force as the need for slave labor diminished. In the beginning, as previously noted, the Europeans were not powerful enough to seize slaves at will or to invade the African kingdoms. But the industrial revolution had immeasurably widened the power gap between Europe and Africa. By the time the slave trade ended, and European adventurers had found new ways to achieve gigantic capital gains, Europe had achieved a power advantage sufficient to invade Africa at will. As European interests in colonizing Africa increased, the European powers, at the middle of the nineteenth century, were also tearing one another apart in the process of this competitive expansion, In order to avoid further misfortune, the great powers of Europe met at the conference of Berlin in 1885. Without troubling to consult with any Africans, they drew lines on a map of Africa dividing it among themselves. It took only a very few years for a map drawing to become a physical reality. When the Europeans had finished exploiting Africa through the slave trade and had greatly weakened its societies, they invaded Africa in order to exploit its nonhuman material resources. Caribbean Interlude