Puerto Rico was claimed by Spain in 1493. The United States took
Puerto Rico from Spain as part of the settlement of the
Spanish-American War in 1898. Puerto Rico has been a US territory
ever since.
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.