In December 1990 the first all-German free election since the Nazi period conferred an expanded majority on Kohl’s coalition. After 45 years of division, Germany was once again united, and the following year Kohl helped negotiate the Treaty on European Union, which established the European Union (EU) and paved the way for the introduction of the euro, the EU’s single currency, by the end of the decade.

The achievement of national unification was soon shadowed by a series of difficulties, some due to structural problems in the European economy, others to the costs and consequences of unification itself. Like most of the rest of Europe, Germany in the 1990s confronted increased global competition, the increasing costs of its elaborate social welfare system, and stubborn unemployment, especially in its traditional industrial sector. However, it also faced the staggering added expenses of unifying the east and west. These expenses were all the more unsettling because they were apparently unexpected. Kohl and his advisers had done little to prepare German taxpayers for the costs of unification, in part because they feared the potential political consequences but also because they were themselves surprised by the magnitude of the task. The core of the problem was the state of the eastern German economy, which was far worse than anyone had realized or admitted. Only a handful of eastern firms could compete on the world market; most were woefully inefficient and also environmentally destructive. As a consequence, the former East German economy collapsed, hundreds of thousands of easterners faced unemployment, and the east became heavily dependent on federal subsidies. At the same time, the infrastructure—roads, rail lines, telephones, and the like—required massive capital investment in order to provide the basis for future economic growth. In short, the promise of immediate prosperity and economic equality, on which the swift and relatively painless process of unification had rested, turned out to be impossible to fulfill. Unemployment, social dislocation, and disappointment continued to haunt the new Länder more than a decade after the fall of the Berlin Wall.

The lingering economic gap between the east and west was just one of several difficulties attending unification. Not surprisingly, many easterners resented what they took to be western arrogance and insensitivity. The terms Wessi (“westerner”) and Ossi (“easterner”) came to imply different approaches to the world: the former competitive and aggressive, the product of what Germans call the West’s “elbow society”; the latter passive and indolent, the product of the stifling security of the communist regime. The PDS became the political voice of eastern discontents, with strong if localized support in some of the new Länder. Moreover, the neofascist German People’s Union (Deutsche Volksunion), led by millionaire publisher Gerhard Frey, garnered significant support among eastern Germany’s mass of unemployed workers. In addition to the resentment and disillusionment over unification that many easterners and some westerners felt, there was also the problem of coming to terms with the legacies left by 40 years of dictatorship. East Germany had developed a large and effective security apparatus (the Stasi), which employed a wide network of professional and amateur informants. As the files of this organization began to be made public, eastern Germans discovered that many of their most prominent citizens, as well as some of their friends, neighbors, and even family members, had been on the Stasi payroll. Coming to terms with these revelations—legally, politically, and personally—added to the tension of the postunification decade.

Despite the problems attending unification, as well as a series of scandals in his own party, Kohl won a narrow victory in 1994. In 1996 he surpassed Adenauer’s record as the longest-serving German chancellor since Bismarck. Nevertheless, his popularity was clearly ebbing. Increasingly intolerant of criticism within his own party, Kohl suffered a humiliating defeat when his first choice for the presidency was rejected. Instead, Roman Herzog, the president of the Federal Constitutional Court, was elected in May 1994 and fulfilled his duties effectively and gracefully. As Germany prepared for the 1998 elections, its economy was faltering—unemployment surpassed 10 percent and was double that in much of eastern Germany—and some members of Kohl’s party openly hoped that he would step aside in favour of a new candidate; instead the chancellor ran again and his coalition was defeated, ending his 16-year chancellorship. Kohl was replaced as chancellor by Gerhard Schröder, the pragmatic and photogenic leader of the SPD, which formed a coalition with the Green Party.