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.
The fourth amendment. Google helps a ton, and gives you all of the amendments. :)
They empowered the federal government to prevent voting rights discrimination at the state level; it also resulted in an increased number of minority voters and black participation in the political process.
Well it means "sacrifice feast" and is a holy islamic holiday