Question

1. In the Second Industrial Revolution, what led the way to new industrial frontiers? textiles, railroads, iron, and coal a true world economy, internal-combustion engines, and new products radios telephones,

light bulbs, and telegraphs steel,
chemicals, electricity, and petroleum

2. According to Karl Marx, the ____, or working class, was oppressed by the middle class.

Proletariat
bourgeoisie
socialists
Communists

3. What elements made possible the Second Industrial Revolution?
textiles,
railroads,
iron,
coal steel,
chemicals,
electricity,
petroleum earth,
air,
fire

Answer 1

1. "Steel, chemicals, electricity, and petroleum " led the way to new industrial frontiers in the Second Industrial Revolution. The last option is the correct option among the options given.

2. According to Karl Marx, the Proletariat or working class, was oppressed by the middle class. The correct option is the first option.

3. "Steel, chemicals, electricity, petroleum" were the elements that made possible the Second Industrial Revolution.