The answer is Hatsheput. Hope this Helps:)
Bourgeoisie? Not sure, though. But Marx used to call them that so...
The answer is the second choice
b. They reduced air strike losses because American communications were no longer intercepted
The Navajo Code was unbreakable by the Japanese interceptors. This is because it required one to learn the code from the Navajo, which there were no Navajo living in Japan in WWII so they were unable to intercept communications
One theory is that the native Americans where the first to come to America but this is just an old wives tale.