How many World Wars have there been?
2
3
3
3
3
3
4
2
3
4
2
3
4
2
3
4
2
3
5
4
2
3
5
4
2
3
5
4
2
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
4
2
1
3
5
7
4
2
1
3
5
7
4
2
0
1
6
5
7
4
2
1
6
0
5
7
4
2
1
6
5
7
0
4
2
1
6
5
7
4
2
0
1
6
5
7
1
6
5
7
1
6
5
7
1
6
5
7
1
6
7
8
1
6
7
8
1
6
7
10
8
1
6
7
10
9
8
6
7
10
9
8
6
7
10
9
11
8
6
7
10
9
11
8
6
7
10
9
11
13
8
6
14
7
10
9
11
13
8
6
14
7
10
9
11
13
8
6
14
10
9
11
13
8
6
14
12
10
9
11
13
8
14
12
3 Wars
ONE
3 Wars
ONE
3 Wars
ONE