What effects did increased levels of debt have on the American society in the 1920’s

There was a snag in the system, Europe owed money to the U.S for WWI, in order to pay it back they needed to export more than they import. "Such was his weakness that he tolerated people and conditions that subjected the republic to its worst disgrace since the days of Grants

Explanation:

d is the answer. leo should include the source.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering