Many factory owners who adopted the assembly line

What does this say? it's for project i'm doing.

What is the author's purpose in this passagea. to remind people to avoid individuals who occasionally display bad manners.b. to encourage people to embrace the feeling of superiority over others.c. to persuade people to demonstrate good manners at all times.d. to convince people to freely express their emotions.

Is an example of a nation that uses a democratic republic type of government.