 There is therefore a general lack of consensus between the various authors and scholars in reference to the nations and empires that were allegedly the world's most powerful at various points in history.The status of foremost power at a global scale implies that of superpower, although it does not necessarily mean that the world is unipolar nor that there is a sole superpower.The United States is usually described as the current global foremost power, as well as the world's sole superpower, although it is generally agreed that the present age is still one of multipolarism.