Under the provisions of the Missouri Compromise, Maine was the state that entered the Union with Missouri.
Michigan was a free state, and stayed in the Union.
Associated free state
Under the Missouri Compromise of 1820 Missouri was admitted as a slave state and Maine as a free state.
Puerto Rico is not the state of US ,it is a self-governing commonwealth associated with the United States.
Missouri joined as a slave state and Maine joined as a free state.
The Missouri Compromise of 1820 allowed a slave state into the union when alternated with a free state. The compromise allowed Missouri to enter the US as a slave state and part of Massachusetts was divided to allow the entrance of Maine into the US as a free state.
Hawaii.
us t-bills, if you're worried about inflation TIPS, state/municipal bonds, however these are associated with slightly higher default risks than t-bills.
That it would be a Free State.
There is one US State that begins with the letter P: Pennsylvania. And, while not a state, Puerto Rico is associated with the United States.
The Old Line State, The Free State, America in Minature and Little America are all associated with Maryland but it has no Official Nickname.