Ratification of the United States Constitution by Rhode Island
The ratification of the United States Constitution by Rhode Island in 1790 was a controversial process which occurred only after the United States threatened a trade embargo against Rhode Island for non-compliance. == Background == Rhode Island acquired a reputation for opposing a closer union with the other former British colonies that had formed the United States of America.
Source: Wikipedia — Ratification of the United States Constitution by Rhode Island (CC BY-SA 4.0)