How many World Wars were fought in the early 20th century?
2
3
3
2
3
2
3
2
3
2
3
1
2
3
1
2
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
4
3
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
5
1
2
4
5
1
0
4
5
1
4
0
5
1
7
4
5
6
0
1
7
4
5
6
0
7
4
5
6
7
4
0
5
6
7
5
6
7
5
6
7
5
6
7
5
6
7
5
6
7
One
6
7
8
ONE
One
Two
6
7
8
One
Two
ONE
6
7
8
One
9
Two
10
6
ONE
7
8
One
9
Two
10
6
7
8
ONE
One
9
Two
10
6
3 Wars
7
8
Three
One
9
Two
ONE
10
6
11
7
3 Wars
8
Three
One
9
Two
10
6
11
7
8
Three
One
9
Two
3 Wars
10
6
11
7
14
8
Three
One
9
Two
3 Wars