Although the president had the power to "remove" Indigenous tribes, removal was supposed to be voluntary, but when “southeastern nations resisted, Jackson forced them to leave.” Previous peaceful attempts at resistance failed, so Native Americans used new methods after 1830.
"Austria-Hungary<span> declared war on </span>Serbia<span> after serbian nationalists assassinated Archduke Franz Ferdinand and his wife, this was not necessary as only a few serbians participated and these assassinations usually did not result in war" (prezi.com)</span>
Clock? I think. I know they invented the calendar