America has been operating under the belief of a “Unipolar world” seince it successfully toppled the USSR in the early 90’s. Before that, the US and the USSR operated as the 2 primary pole of the the then “multipolar world”. America has assisted with inserections against governments on most continents of the globe in order to install leadership that is more ‘friendly’ to its interests.
So yes, America has been the main cause of geopolitical conflict in the modern era. Before that it was England, Germany, France, Netherlands, etc.
The bearer of the Crown of Capital always comes soaked in blood