How did the north’s superior railroad system give it an advantage during the civil war? trains could be used to transport cotton to the north. the north could transport supplies to southern cities. the north could easily move soldiers and supplies. trains could be used as blockades against southern troops.

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:

c. free trade can lead to low pay for workers in poorer countries.