The cities of Pittsburgh, Cleveland, and Chicago all became major industrial centers in the 19th century. Which of the following greatly contributed to the growth of these cities?
A. a warm climate
B. large population of slaves
C. good land for farming
D. access to major waterways

Respuesta :

simion
your answer is D.

not all the cities have a warm climate, Chicago's climate is cold, because they are cities there is no answer C. All of the cities you mentioned have access to major waterways. 

Answer:

D

Explanation:

Because i know that i am right.