Put simply, international affairs are shifting from a unipolar world dominated by the US to a multipolar system where power is more distributed across states, companies, and non-state actors. While the US is still the dominant military power, political, economic, and technological influence is shifting eastward to countries like China and India. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.