question: What two fortifications distinguished the second Fort Hale built in New Haven during the Civil War ?
answer: bomb-resistant bunkers and a moat
turker_answer: During the Civil War , the second Fort Hale was built in New Haven and distinguished by bomb-resistant bunkers and a moat .
rule-based: Bomb-resistant bunkers and a moat distinguished the second Fort Hale built in New Haven during the Civil War .