A unitary system of government is a monarchy. Which means that the country is ruled by one person or a group of people. An example of a unitary system is a country that is run by a royal family, that consists of kings and queens.
A federal system is a system is a system of government that is run but not ruled by a government that has many different political parties and many different people. The United States is an example of a federal system.
Defence of member nations
If we didn't westward expand as early as we did we wouldn't have all of the geographic patterns we have today in the U.S.
Prussia's influence was widened by the Franco-Prussian War resulting in the proclamation of the German Empire at Versailles on 18 January 1871, which united the North German Federation with the southern German states.
Answer:
The New World (North/South America + surrounding islands)
Explanation:
All four of these nations explored and established colonies in the Americas.
For example: The British colonized and formed the U.S., and the French and English formed Canada.