I think Germany was the country the declared war
The world in one year may not even exist. Pollution levels and violence are increasing continuously so if we humans do not fix this overtime, our world would lose the resources that we need in order to survive.
The war between Serbia and Austria was a nationalist in terms that both wanted to gain greater land for their country. Serbia wanted to have Bosnia and Herzegovina which were both under Austria. It declared war after Serbia refused to surrender the group who planned the <span>assassination of Archduke Ferdinand.
This kind of regional wars that involved territorial expansion pushed to World War I. Countries searched for allies and cooperated to have a greater military strength and support to defeat other countries they wanted to have. </span>
