The mediate cause for World War 1 the assassination of Archduke Franz Ferdinand and his pregnant wife Sophie. However there were many other causes of WW1. WW2 started because hitler didn’t like Jewish people so he built an army to destroy all Jewish people wich then started the war.
I believe it was cherokee! He completed his independent creation of a Cherokee syllabary, making reading and writing in Cherokee possible. im so sorry if i’m wrong Imao-
