question: During the Civil War , New Haven needed to be further fortify incase of another invasion , what structure did the city built ?
answer: a second Fort Hale was built
turker_answer: During the Civil War , New Haven needed to be further fortified in case of another invasion , so a second Fort Hale was built by the city .
rule-based: During the Civil War , New Haven needed to be further fortify incase of another invasion , a second Fort Hale was built did the city built .