Which innovations arose in response to a health crisis in New York in 1864?

Sewers.

Explanation: In 1864, New York physician Stephen Smith conducted the first sanitary survey of New York City. Horrified by the findings of the survey, planners in New York decided, in 1868, to build a coherent system of sewers that would safely disperse sewage.

it is the code of hammurabi

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.