How many cities did the United Stated drop atomic bombs on in Japan during WW II?
2
3
3
2
3
4
2
3
4
2
3
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
4
2
3
5
1
4
6
2
3
5
1
4
6
2
3
5
1
4
6
2
0
3
5
1
4
6
2
7
3
5
1
0
4
6
2
7
3
5
1
4
6
2
0
7
3
5
1
4
6
2
7
0
3
5
1
4
6
2
7
3
5
1
0
4
6
2
7
3
5
1
4
6
2
0
7
3
8
9
5
1
4
6
2
7
0
3
8
9
5
1
4
6
2
7
8
9
5
1
0
4
6
2
7
8
9
5
1
4
6
0
7
8
9
5
1
6
7
0
8
9
5
1
6
10
7
8
9
5
1
11
0
6
10
7
8
9
11
6
0
10
7
8
9
11
6
10
7
0
8
12
9
11
6
10
7
8
12
9
11
0
62
13
10
7
8
12
9
11
13
0
10
62
7
12
11