<Li> Citizenship <Ul> <Li> Identity </Li> <Li> Pro-Europeanism </Li> <Li> Euroscepticism </Li> </Ul> </Li> <Ul> <Li> Identity </Li> <Li> Pro-Europeanism </Li> <Li> Euroscepticism </Li> </Ul> <Li> Integration <Ul> <Li> Supranationalism </Li> <Li> Federalism </Li> <Li> United States of Europe </Li> <Li> Multi-speed </Li> <Li> Opt - outs </Li> <Li> Enhanced co-op </Li> <Li> Withdrawal </Li> </Ul> </Li> <Ul> <Li> Supranationalism </Li> <Li> Federalism </Li> <Li> United States of Europe </Li> <Li> Multi-speed </Li> <Li> Opt - outs </Li> <Li> Enhanced co-op </Li> <Li> Withdrawal </Li> </Ul>

Which european countries did not adopt the euro