Why was jefferson alarmed at the bitterness of the debate over the extension of slavery?
he realized that close friends were becoming enemies over the issue of slavery.
he realized that the south would eventually outlaw slavery without interference.
he realized that the nation would always have slaves
he realized that slavery could cause the nation to split apart

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

on february 25, 2004, at the time the president of united states of america george bush announced that he supports the constitutional amendment to ban the same-sex marriage. but the possibility was left that states can decide whether they allow civil unions.

march 8, 1917

explanation: