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

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bilateral multipolar bipolar unilateral

after world war ii, the united states and the soviet union were the major economic, military, and political powers. the world was bipolar.  

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true false

the great leap forward, mao zedong's plan to increase china's agricultural and industrial production, was an overwhelming success. true.

explanation:

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.