What was the effect of industrialization on the population of the united states?

Improved Transportation

Subsistence farming declined, and more consumer goods arrived on the market. The transition away from an agricultural-based economy toward machine-based manufacturing led to a great influx of population from the countryside, causing towns and cities to swell in population.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering