What was the causes of world war 1?

answer:

the immediate cause of world war i that made the aforementioned items come into play (alliances, imperialism, militarism, and nationalism) was the assassination of archduke franz ferdinand of austria-hungary. when russia began to mobilize to defend its alliance with serbia, germany declared war on russia.

answer; /// i believe that the correct answer is (d)the huang he river valley;

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."