That’s not history but ok
Answer:
Europe was divided between Communism and Capitalism. Western Europe was on the Capitalist side since they've been liberated by the Nazis by the United States while Eastern Europe was on the Communist side since they've been liberated by the Soviet Union from the Nazis
Explanation:
Austria declared war on Serbia in a calculated response to the murder of Archduke Franz Ferdinand. There was much blame on both sides as to why war came about and what the true cause was, but the murder was the reason used.
They were created to finance endeavors that were far too expensive for individuals to invest in and even governments to fund.
hope that helps!