The US joined NATO, because after WWII, President Truman needed to keep up the subterfuge that they needed an alliance, because the US citizens didn't know about the formation of the atomic bomb.
june
The US was a founding member of NATO in 1949. The US, Canada, the UK, France, Iceland, Norway, Italy and 4 other nations were original members.
Africa's countries are not members of NATO.
Mexico isn't a member of NATO.
Italy joined NATO in 1949.
No
The US invited Turkey and Greece to join Nato alliance, where they remain to this day.
1955
Yes
No it did not.
Romania joined NATO on 29 March 2004.
1949.