Federalism
Concurrent, also known as reserved.
Federalism
The word is "implied".
A characteristic of the word "region" is that it refers to a specific geographic area defined by certain shared characteristics or boundaries. It can vary in size and scope, and may be used to describe areas such as countries, states, or ecosystems.
The word plenipotentiary has two meanings, As a noun, it refers to a person who has 'full powers'. In particular, the term commonly refers to a diplomat who is fully authorized to represent their government as a prerogative (i.e, an ambassador). As an adjective, plenipotentiary refers to that which confers 'full powers'.
"The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people." reserved
There is actually no such word in English. It is two words and usually refers to the stream of water that powers a watermill.
state
When Austin Powers uses the word "shag", he refers to having sex. Using deductive reasoning, "shagidelic" means "sexy" or "worthy of having sex with".
Alaska and Hawaii have no land border with the rest of the US.
Any powers not given to the Federal Government are delegated to the States
"United States" is the term that refers to the entirety of the country.