<Li> Economic <Ul> <Li> Euro </Li> </Ul> </Li> <Ul> <Li> Euro </Li> </Ul> <Li> Secretariat <Ul> <Li> Secretary - General <Ul> <Li> Uwe Corsepius </Li> </Ul> </Li> <Li> Directorates - general </Li> <Li> COREPER </Li> </Ul> </Li> <Ul> <Li> Secretary - General <Ul> <Li> Uwe Corsepius </Li> </Ul> </Li> <Li> Directorates - general </Li> <Li> COREPER </Li> </Ul>

Which of the following treaties set up the process for the adoption of economic and monetary union