Question

Which historical event most caused the US urban population to climb from 6 million to 44 million between 1860 and 1910?

A.Union defeat of the Confederacy in the US Civil War

B.discovery of gold near San Francisco, California

C.United States winning the Spanish-American War

D.development of factories during the Industrial Revolution

Answer 1

The right answer for the question that is being asked and shown above is that: "D.development of factories during the Industrial Revolution." The historical event most caused the US urban population to climb from 6 million to 44 million between 1860 and 1910 is the development of factories during the Industrial Revolution