How many countries supported North Vietnam in the Vietnam War?
3
3
3
3
4
3
4
3
2
4
3
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
4
3
1
5
2
6
4
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
5
2
6
4
7
3
1
8
5
2
6
4
7
3
1
8
5
2
6
4
7
9
0
1
8
5
2
6
4
7
9
1
8
0
5
2
6
4
7
9
1
8
5
2
0
6
7
9
1
8
5
2
6
11
7
9
0
1
8
5
6
11
10
7
9
1
8
0
6
11
10
7
9
13
12
8
0
6
11
10
7
9
13
12
8
6
11
10
7
9
13
0
62
12
8
6
14
11
10
7
9
13
12
8
0
62
66
63
6
14
11
10
7
9
13
12
0