The four major classifications of government are autocracy, oligarchy, democracy, and monarchy. In the context of the U.S. government, it is primarily a constitutional republic, a form of democracy where officials are elected to represent the people. Subdivisions include federal, state, and local governments, each with its own set of powers and responsibilities. Additionally, the U.S. operates under a system of checks and balances among the executive, legislative, and judicial branches.
The four major subdivisions of biology are botany (study of plants), zoology (study of animals), microbiology (study of microorganisms), and ecology (study of interactions between organisms and their environment).
The four major divisions of time, from longest to shortest, are eons, eras, periods, and epochs. Eons represent the largest spans, encompassing billions of years, followed by eras that cover hundreds of millions of years. Periods are subdivisions of eras, typically lasting tens of millions of years, while epochs are the shortest, spanning millions to thousands of years. These classifications help scientists understand and communicate the history of the Earth and its life forms.
Democractic, socialist, communist & Dictatorship.
The four subdivisions within the Marine Corps are: Headquarters Marine Corps (HQMC) Operating Forces Supporting Establishment Marine Forces Reserve (USMCR)
solid, liquid, gas, plasma
The U.S. government divides rolling mill machinery into four classifications: hot rolling mill machinery (except tube rolling), cold rolling mill machinery, other roll milling machinery (including tube mill machinery)
divine right
There are four classifications of tourists. There are explorers and drifters. There are also individual mass tourists and organized mass tourists.
Art, Government, Literature, Science.
government science the arts literature
consumption, investment, government purchases, and net exports
Allies, Partisans, Neutrals, and Non-supporters