Which of the following was true by the end of the civil war? a. many confederate leaders had been tried for treason b. congress had passed legislation to rebuild the nation c. african americans had gained full citizenship d. the south’s economy had been destroyed

a

Explanation:

ss

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

a agree i agree becuase it is very importnat for example it can tlel you about your past for exmaple   the first culture was the semerians which people are sitll tryignt o uncover there secrets the wall is just anohter treasure that has thousnads of secrets in it to be uncovered