How many countries make up NATO?
30
29
29
29
29
29
29
29
48
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
29
50
48
50
48
50
48
20
50
48
28
20
50
48
28
20
50
48
28
20
50
48
28
20
50
28
20
50
24
28
20
50
24
28
20
50
15
24
28
20
50
15
24
10
26
21
25
28
20
42
50
15
24
10
26
21
25
28
20
42
50
15
24
10
26
21
25
28
19
20
42
50
15
24
10
26
21
41
25
28
19
20
42
15
24
10
26
22
21
41
25
28
19
29 countries
20
42
15
24
10
26
22
23
21
41
25
28
19
20
42
53
15
24
10
26
22
23
21
41
25
28
27
19
20
42
53
15
24
10
26
22
23
21
41
25
28
27
19
20
42
53
15
24
29 countries
10
26
22
12
23
40
21
41
25
28
30
27
19
20
42
53
15
24
29 countries
29 countries