False. The first successful flight (via plane) was in Kitty Hawk, North Carolina.
F Inequality of Wealth
The working class was going through a drought of money and the white collared class was essentially swimming in money. So th moral of the story is that the white collars were causing INEQUALITY OF WEALTH. Which is the answer.
Easy crop growing and more wealth
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.