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

A the elevator
B sewers
C electricity
D the light bulb

Which of the following was a goal of european conservation in the early 1800

6. why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.