Prohibition would have failed regardless of the atmosphere, because people like to drink alcohol. The permisive attitude of the times (mild compared to today) meant there was little social stigma attached to those who ignored prohibition. People finally came to realize that all they did was stregnthen the mob and lose tax revenues with Prohibition.
Gunpowder was invented somewhere around 900 in China.
Well, that's basically it... :P
I'm not sure but here are some things europeans take from Africa and I hope this counts
Africans were either captured in warning raids or kidnapped and taken to the port by African slave traders. There they were exchanged for iron, guns, gunpowder, mirrors, knives, cloth, and beads brought by boat from Europe. When Europeans arrived along the West African coast, slavery already existed on the continent.
June 21st is the solstice for summer so the season is winter in the southern hemisphere.