How many United States presidents served in World War II?
8
2
2
2
2
1
2
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
5
4
1
2
3
0
5
4
1
2
3
5
4
0
1
2
3
5
4
1
3
0
5
4
1
3
0
5
4
1
3
5
4
0
1
3
7
5
4
6
3
0
7
5
6
0
7
5
6
7
5
6
0
7
5
6
0
7
5
6
0
7
5
6
8
7
5
6
0
8
7
5
6
8
0
7
5
6
8
9
7
5
6
8
9
7
5
6
8
9
No
7
5
6
8
11
9
No
7
6
8
11
13
9
No
7
6
8
11
13
9
No
7
6
8
11
13
9
No
10
7
6
8
11
13
9
No
10
7
6
8
11
13
Four
9
No
Two
10
7
6
12
8
11
13
Four
No