A new state becomes part of a state when the state they want to join has to accept them if they want to
Long Island is not a state it is part of New York.
Eleventh.
New Jersey was the 3rd state in the USA, it became a state on December 18, 1787.
Wyoming is the 44th state to become part of the Union.
On 26 July 1788.
On 21 June 1788 it became the 9th US State.
Congress. In addition, if the new state includes any part of an existing state, the new state can only be created if the existing state consents. (For example, Maine was originally part of the state of Massachusetts, so Massachusetts had to give its consent for Maine to become a separate state.)
It became the third US State on 18 December 1787.
Only Congress has the power to sanction the creation of a new state.
Manhattan is part of NYC, which in turn is part of New York State.
On 6 January 1912 it became the 47th US State. Part of New Mexico is not actually part of the united states. it is its own little 2 mile land for the native Americans. The land also has its own laws.
Four of the original thirteen states were part of New England: Massachusetts, Connecticut, Rhode Island, and New Hampshire. Vermont had not become part of New England yet-it was part of New York at the time.