The Surge of a Unipolar World and the Military Keynesianism: USA Hegemony?

The last decades, since the crash of Soviet Union, we could see big changes in international arena. Rise question – is international system now a multipolar or bipolar? Significant moment is world economy and as we could see, there is a powerful countries, which makes a rules for others, because they have been mach more developed in economic field. They have power in economic sense, and this power is connected and left big impact on others life spheres. Such a country is Unites States of America, which transform their products, lifestyle, culture and even values to other countries – USA have big impact on world, to begin with their currency – USA dollar like a international currency and their movies, eating habits - MCdonald an so on. America has such a good position in the economic developing sense, because America mast not to deal with counsequences, which left World War, but other countries – for example Europe, was destroyed and their must recover from the World War disaster. Nowadays some talk even about Americanization. So there is an important question – is America a hegemon today, and what a consequences she will left to all world like a hegemon?