European Union heavyweights Germany and France led a sharp response to US President-elect Donald Trump after he branded NATO "obsolete" and said more countries would leave the EU after Britain. In his response, French President Francois Hollande has said European Union (EU) has no need for outside advice on its affairs. German Chancellor, Angela Merkel has said, Europeans have their fate in their own hands. <br/><br/>She said in Berlin that she will work towards getting the EU to strengthen the economy and fight terrorism. In a hard-hitting interview with two European newspapers,Trump had accused German Chancellor Angela Merkel of a catastrophic mistake in allowing mass migration and branded NATO obsolete. He also said more countries would leave the EU after Britain.<br/>'<br/>Meanwhile, outgoing US Secretary of State, John Kerry said, it was inappropriate for a President-elect of the United States to be stepping into the politics of other countries in a quite direct manner.