How many countries were part of the Warsaw Pact in 1955?
8
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
2
5
3
4
2
5
3
8
4
2
3
8
4
2
3
8
6
4
2
3
8
1
6
4
2
3
8
1
6
4
2
9
7
3
8
1
6
14
4
2
9
7
3
8
1
6
14
4
2
9
7
3
8
1
6
14
4
2
9
7
3
8
1
6
14
4
2
9
7
3
8
1
6
14
4
2
9
7
3
8
13
1
6
14
10
4
2
9
7
3
8
13
1
6
14
10
4
2
9
7
3
8
13
1
6
14
10
11
4
2
9
7
3
8
13
1
6
14
10
11
4
2
9
7
3
8
13
1
6
14
10
11
4
2
9
7
15
3
8
13
1
6
14
10
11
4
2
9
7
15
3
8
13
1
6
14
10
11
4
2
9
7
15
3
8
13
1
6
14
10
11
2
9
7
15
3
8
13
1
6