The first new state to be established after the US declared independence was Florida
Texas
Kentucky
Tennessee.

Delaware

Explanation:

Delaware became a state on June 15, 1776, when the Delaware Assembly formally adopted a resolution declaring an end to Delaware's status as a colony of Great Britain and establishing the three counties as an independent state under the authority of "the Government of the Counties of New Castle, Kent and Sussex Upon Delaware".

the western roman empire flourished, but the eastern portion of the empire struggled.