Captains of industry during the gilded age were
in the middle class.
very wealthy.
socioeconomically disadvantaged.
in the working class.

It is B. Very wealthy

Explanation:

It was only the wealthy and intelligent, such as people like Rockefeller, that were able to control and own business's and create monopolies that could control industry and make money.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

        i'm fairly sure that the correct answers are 2 and 3.

        i used both my knowledge of world history and the process of elimination to obtain these answers. option 1 cannot be a possible selection because the mandate of heaven belongs to ancient chinese philosophical belief. option 4 sounds like it would benefit the region than detriment it. however, both 2 and 3 explain a potential reason for what could have contributed to the fall of the roman empire.

      hope this ! if i were you, i'd get a second opinion, because i haven't taken this course for a year. best of luck!

***websites that me understand the curriculum better last year are and ***