Without wars, nineteenth-century states would have little need to issue bonds. As we have seen, however, wars tended to hit the price of existing bonds by increasing the risk that a debtor state would fail to meet its interest payments in the event of defeat and losses of territory. By the middle of the 19th century, the Rothschilds had evolved from traders into fund managers, carefully tending to their own vast portfolio of government bonds. Now having made their money, they stood to lose more than they gained from conflict. [...] The Rothschilds had decided the outcome of the Napoleonic Wars by putting their financial weight behind Britain. Now they would [...] sit on the sidelines.