The answer is Dravidians, they were part of the Inca civilization, they were the natives of southern India. They were the first inhabitants.
The direct cause of WWI was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914. However historians feel that a number of factors contributed to the rivalry between the Great powers that allowed war on such a wide-scale to break out.
Following the Pullman strike companies appealing to the courts to issue orders against unions were usually "rewarded", since this strike largely turned American public opinion against large labor unions.
