World War I was started generally because of Franz Ferdinand's death, but there are some background information before this as well.
MAIN
M = Militarism (Everyone wants to show off their strength, why not do it with military power? Many nations kept building up their armed forces to show the other what "true power" looks like, leading to a sort of "arms race" except it wasn't exactly a race, more like a contest)
A = Alliances (Triple Entente and the Triple Alliance; 6 powerful nations gathered into teams and promised to assist each other if war broke out causing a chain reaction)
I = Imperialism (People like to be in control of things, therefore they crave power, they want to take control of others and add the nation's power to theirs)
N = Nationalism (Every nation wants their nation to be the best therefore they supposed economic and territorial gains, such as imperialism)
I think he was best known for his political philosophy from what I've learned. hope I helped!
<span>A budget that spends more money than the revenue coming in is known as a "deficit" budget, since in order to maintain such a budget there needs to be revenue coming from other sources. </span>
The Berlin blockade was a blockade by the Soviet Union (USSR) of the western part of Berlin, (controlled by the US, Britain, and France) The USSR wanted all of Berlin to themselves, and so blockaded the roads to stop the NATO nations from sending supplies to the war-torned Berlin. However, the US started the Berlin Airlift, transporting thousands, if not, millions of supplies to West Berlin over a period of times (and even Christmas Gifts :D)
hope this helps