Answer:
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.
Direct democracy is a government in which everyone individual has an input on governmental decisions. However, due to America’s large population, it is hard to gather everyone in an area to make those decisions. That is why, in the US, we have a representative democracy—Representatives from each state represent their states decision in making decisions.
<span>Iroquois. Which isn't technically a tribe, but a national confederacy comprised of 6 different tribe under a united government.</span>