I think the answer is Langston Hughes sorry if I'm wrong, but I'm like 99% sure its him....
"Guns" were not an African good traded in exchange for European goods, since Africa did not have the factories need to assemble the guns, which were instead made in Europe.
Jazz, the womens flapper look, womens rights movement, gangs and prohibition.
made it where the king (or queen later on) for going mad with power. it set up a parliament for the UK and made the king (or queen) almost powerless
(and it is still in effect today)