What are two central ideas or themes that occur repeatedly in Nellie Bly's account?

Even though both ww1 and ww2 were in many ways the same conflict with basically the same countries facing off against each other, the way each war started was significantly different. the question is how what were the differences on how they started

Donald trump will plan to use his emergency powers to build the wall between the us and mexico, instead of shutting down the government again?

Were african-americans allowed to serve in the military in wwi?