Crossword clue: an ironclad vessel built by the confederate forces in the hope of breaking the blockade imposed by the north
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
merrimac
8 letters
wn-def
an ironclad vessel built by the Confederate forces in the hope of breaking the blockade imposed by the North