1949
june
Romania joined NATO on 29 March 2004.
i dont know i think 2006
Bulgaria joined NATO's Partnership for Peace in 1994 and applied for NATO membership in 1997. During the November 2002 Prague Summit Bulgaria was one of seven former socialist countries invited to join the Alliance. Bulgaria became a member of NATO in March 2004.
Africa's countries are not members of NATO.
Mexico isn't a member of NATO.
Italy joined NATO in 1949.
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.
No
The US invited Turkey and Greece to join Nato alliance, where they remain to this day.
1955
Yes