Its original members were Belgium, Canada, Denmark,France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States. (1949) Joining the original signatories were Greece and Turkey (1952); West Germany (1955; from 1990 as Germany); Spain (1982); the Czech Republic, Hungary, and Poland (1999); Bulgaria, Estonia, Latvia, Lithuania, Romania,Slovakia, and Slovenia (2004); Albania and Croatia (2009)
Harry S. Truman signed the North Atlantic Treaty on behalf of the United States, but Harry Refused to signing the Treaty. Instead the Secretary of State Dean Acheson.
As we know the Soviet Union was again rising to power and this was soon noticed mainly because at a certain point the USSR had closed off their side of Germany which was the east side and it cut off communications against anyone else as we know the west side of Germany had its income of resources cut and they had not much to live off of so the US Britain and France had sent supplies to that area food and such to keep the city alive.