The supreme court ruled that the was unconstitutional. a. tariff system c. slavery b. american system d. all of the above select the best answer from the choices provided a b c d

b. the 200th birthday of the united states

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 social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."