This question likely has no exact answer since no unit has emerged as a primary world political unit, but the closest existing institution to that is likely the United Nations.
The state
which has emerged as the worlds main political unit
which has emerged as the worlds main political unit
which has emerged as the worlds main political unit
which has emerged as the worlds main political unit
legislature
legislature
Democratic
the state
The United Nations has emerged as the world's main political unit, serving as a forum for international cooperation and diplomacy among its member countries to address global challenges and promote peace and security.
The city-state.
Brazil has sovereignty over the largest political unit in South America (and that political unit is the nation of Brazil).
A political unit is a group of people that join together in support of a series of political views. Often times a political unit is formed to support a political party during an election.
erat
The main unit for liquid is Liter