How many countries are part of NATO?
30
29
29
29
29
29
29
29
29
29
48
29
48
29
48
29
48
29
48
29
48
29
48
29
50
48
29
50
48
29
50
48
29
50
48
29
50
48
50
48
28
20
50
48
28
20
50
48
28
20
50
48
28
20
50
48
28
15
20
50
48
28
15
20
50
21
10
48
28
15
25
20
50
21
26
10
48
28
24
15
25
20
50
21
57
26
10
28
24
15
25
20
50
21
29 countries
26
10
28
24
15
19
25
20
50
21
26
22
10
28
24
15
19
25
20
27
50
21
26
12
22
10
41
28
24
15
19
25
20
27
50
53
21
23
26
12
22
10
41
28
14
24
15
19
25
20
27
50
53
21
23
26
12
22
10
41
28
14
24
15
19
25
20
27
50
53
21
23
26
12
22
10
42
29 countries
41
28
14
24
15
19
25
20
27
53
21
49
23
26
12
22
39
10
38
59
42
41
28
14
24
15
19
29 countries