What would the Irish or Chinese workers used in order to blast through the difficult terrain of the Sierra Nevada Mountains?
S

Depending on the exact year, black powder or dynamite.

Explanation:

With black powder being used in the earlier years of course.

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: