'In a joint letter to the U.N. in January 1963, these 2 countries declared the Cuban crisis (mainly) closed'
the U.S. & the U.S.S.R.
1963: In a joint letter to the U.N. in January 1963, these 2 countries declared the Cuban crisis closed
In a joint letter to the U.N. in January 1963, these 2 countries declared the Cuban crisis closed
In a joint letter to the U.N. in January 1963, these 2 countries declared the Cuban crisis closed
1963
the U.S. & the U.S.S.R.
1963