Well, they were over 8 miles away when the bomb detonated, so they wouldn't have seen any of the destruction. Even reconnaissance planes were initially unable to survey the extent of the destruction due to the enormous amounts of smoke caused by the fires, and dust brought up by the bomb.
Also the service ceiling for the B-29 is 31,850ft. 40,000ft would've been impossible.
Answer:
Ruling Class Families in Rome
B. More people move out than in
Limited work hours <span>for women
The decision upheld that women should not work for more than 10 hours.</span>