NATO is an intergovernmental military alliance. Members - including most of Western Europe, the United States, Canada and Turkey - agree to mutual defense in response to an attack by any external party.
NATO is based on the North Atlantic Treaty which was signed on 4 April 1949, four years after the end of WW II. It has 28 members, West Germany joined in 1955.The organization was drawn into the breakup of Yugoslavia, and conducted its first military interventions in former Yugoslavia in the 1990s. DW's content tagged "NATO" appears on this page.
International decision makers have been attending the Munich Security Conference. But the most influential person for the attendees is someone who's not even there. Donald Trump's global influence plays a key role in the question the conference asks this year: whether the world has been "to the brink" and is on its way back to more stability. Teri Schultz reports on European defence capabilities.