Simplify the following text for a Grade 7 native English-speaking person.
Original: Renamed and sold into private hands in 1775 , she briefly returned to naval service as a troop transport during the American Revolutionary War and was scuttled in a blockade of Narragansett Bay , Rhode Island in 1778 .
Simplified: She was renamed and sold in 1775 , but was used as a troop transport during the American Revolutionary War . She sunk in a blockade of Narragansett Bay , Rhode Island in 1778 .