It was settled in the Treaty of Paris which ended the Spanish American War.
Puerto Rico
Puerto Rico is a territory of the USA.
Puerto Rico voted to become a state in the 2012 Referendum. However, it is now up to Congress to decide if Puerto Rico will become the 51st state.
The Puerto Ricans
Puerto Rico has not become a State of the U. S.
A volcano.
It mean that puerto rico is a free country under the united states law.
No! Puerto Rico is a US Commonwealth. All puerto Ricans are American Citizens! Puerto Rico is under American flag.
Well, Puerto Rico is a US territory... you make the math. Puerto Rico is not poor, but is not rich either. If Puerto Rico become a state of the Union will become the poorest state. But if we compare with other contries around PR, PR is way above them.
Puerto Rico is currently not a state, but a commonwealth within the US. In the 2012 elections, Puerto Rico held a referendum where they were given the choice to keep their current status, become independent, or become a state. Puerto Rico voted to become a state, but it is now up to Congress to decide. It is likely that it will not pass, however.
Puerto Rico
Puerto Rico came under the control of the United States in 1898 as a result of the Spanish-American War.