In scientific cosmology, the world or universe is commonly described as "the totality of all Area and time; everything is, is, and may be". Theories of modality discuss of possible worlds as comprehensive and consistent approaches how things might have been.
World politics, also often called worldwide politics or international relations, could be the self-discipline of political science studying problems with interest to your world that transcend nations and continents.[91][ninety two] It aims to clarify complex styles found in the social world that will often be connected with the pursuit of energy, get and justice, typically during the context of globalization.
Zimbabwe is household to the second-most significant population of elephants while in the world, following neighboring Botswana.
Various theories are proposed to be able to deal with the complexity involved with formulating this sort of explanations.[ninety three] These theories are sometimes divided into realism, liberalism and constructivism.[ninety four] Realists see country-states as the main actors in world politics. They represent an anarchical Worldwide procedure with no overarching ability to regulate their behavior. They can be seen as sovereign brokers that, determined by human character, act Based on their nationwide self-interest. Armed service force may possibly play a significant role in the following wrestle for electrical power concerning states, but diplomacy and cooperation may also be vital mechanisms for nations to attain their aims.[93][95][ninety six] Liberalists acknowledge the value of states but In addition they emphasize the function of transnational site actors, similar to the United Nations or the World Trade Firm.