Which group of immigrants do you
think faced the greatest challenges
in the united states? why?

Explanation:

The Chinese faced the greatest degree of discrimination in the United States. In 1882, the Chinese Exclusion Act was passed by Congress. This act was the result of the popular belief that the Chinese were taking away American jobs and causing wages to go down because of their willingness to work for less.

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 think the fact that abraham lincoln was a tyrant

or probably like what the other person said from sitting in the chair to get assasinated xd

~batmans wife dun dun