The United States doesn't belong since it isn't a continent like the other two.
United States (it is a country)
The United States are in North America.
the united states, because it is a country.
The United States of America
United States of America
Actually, Alaska is not a country, it is one of the states that belong to the United States of America.
United States of America
The Mississippi River is entirely in the United States, North America.
Both of them are part of the United States of America.
No, North Dakota is in the United States of America and belongs to the USA.
New Mexico is a state within the United States of America.
Actually, Alaska is not a country, it is one of the states that belong to the United States of America.
It belongs to the United States of America. It is one of the 'states' of America. It didn't always belong to America. It used to belong to Russia, but America bought it. Exactly how America moved Alaska all the way from Russia to America is a mystery and probably one of the wonders of modern technology! See Related Links below the following advertisements for more details.