How many countries supported North Vietnam in the Vietnam War?
3
1
1
1
1
1
5
1
2
5
1
2
5
1
2
5
1
3
2
5
1
3
2
5
1
3
2
5
1
3
2
5
1
3
2
5
1
3
2
5
4
1
3
2
5
4
9
1
3
2
7
5
4
9
1
3
2
7
5
8
4
10
9
1
3
2
7
5
8
4
10
11
9
1
3
2
7
69
5
8
4
10
11
9
1
3
2
6
7
5
8
0
4
10
11
9
69
14
3
2
6
7
5
8
4
10
11
9
0
14
69
3
2
6
7
5
170
8
4
10
11
9
13
14
3
0
2
6
89
7
69
5
8
4
10
11
9
13
170
14
3
2
6
7
5
8
175
0
4
10
11
89
9
13
69
14
170
3
135
2
6
7
8
4
117
10
11
9
13
175
61
0
14
89
69
3
6
7
170
8
135
4
10
11
9
13
117
83
14
3
175
61
0
6
89
7
69
8
4
10
11