Consider the following countries :
I. Austria
II. Bulgaria
III. Croatia
IV. Serbia
V. Sweden
VI. North Macedonia
How many of the above are members of the North Atlantic Treaty Organization?
1
Only three
2
Only four
3
Only five
4
All the six
Consider the following countries :
I. Austria
II. Bulgaria
III. Croatia
IV. Serbia
V. Sweden
VI. North Macedonia
How many of the above are members of the North Atlantic Treaty Organization?