How did thomas edison ‘s invention of the light bulb affect industry

Here’s the first one let me send the next page of the passage

What was the significance of the british reform act of 1832? a. voters were given the right to vote by secret ballot b. members of the middle class were permitted to run for parliament c. members of the working class demanded and received better living conditions d. farm workers, factory workers, and women were given the right to vote

Wha industry did the refrigerated rail car impact the most