Question

what contributed to the united states beginning the second industrial revolution? railroadsonly connected factories to major cities. european immigrants moved to the united states and supplied a large amount of the labor force in factories. more goods were being produced in factories.

Explanation:

The Second Industrial Revolution in the US was spurred by multiple factors. Railroad expansion connected markets and resources. European immigration supplied a large - scale workforce. Rising demand led to increased production. All these are contributing factors.

Answer:

All of the above options contributed to the United States beginning the Second Industrial Revolution.