US President Barack Obama has made a strong defence of globalisation as he arrived in Germany on his final visit to Europe before leaving office. <br/><br/>In a joint article, Mr Obama and German Chancellor Angela Merkel said, with the global economy developing faster than ever, co-operation was vital.<br/><br/>Mr Obama reached Germany from Athens where he had warned of threats to modern democracy. He is seeking to calm unease following the election of Donald Trump.<br/><br/>The US President will stay in Germany until tomorrow and then head to Peru.