Conserving water is important because it keeps water pure and clean while protecting the environment
The main cause was the assassination of Franz Ferdinand who was the archduke of Austria. He was assassinated by Gavriollo Princip who was Austrian - Hungarian. Those two countries were constantly in conflict because Hungary wanted to separate and once those countries went into war over the assassination their allies had to join being the rest of Europe. <span />
This line-segment is called AB. It may also be called BA. Line BA is the same as line AB. Both pass through the same two points A and B.