How many nuclear bombs did the US drop on Hiroshima and Nagasaki in 1945?
2
2
2
3
2
3
2
3
4
2
3
4
2
3
4
5
2
1
3
4
5
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
1
3
4
5
6
2
7
1
3
4
5
6
2
7
1
3
4
0
5
6
2
7
1
3
4
5
6
9
0
2
7
1
3
4
5
6
9
7
0
1
3
4
5
6
9
7
1
4
0
5
6
8
9
7
1
4
5
6
8
9
0
7
1
5
6
8
9
7
0
1
5
6
8
9
7
1
0
6
8
9
7
6
10
8
9
0
7
62
10
8
9
7
0
666
10
8
9
62
7
66
0
63
10
8
9
7
62
12
666
512
10
8
9
0
125
63
7
12
61
67
66
62
10
8
9
7
512
0
125
63
57