Some of these ways are obvious, for example, using military power to force another country to submit. Many are not, especially those that are linked into the system that envelops the world economy. Five dimensions of international power can be used to gauge the status of countries. These show not only how the US is far more prominent in the hierarchy than suggested by a simple measure of economic size, such as GDP. They also map the relative importance of other countries and throw new light on a major geopolitical issue today: the rise of China.