Why was great britians slave trade act of 1807 ineffective at fully aboolishing slavery in the british empire?

Correct answer is: The act banned the transport of slaves from Africa, but it allowed British subjects who already owned slaves to keep them.  (Answer for me was B but be careful because it may be a different letter for you.)

Explanation:

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering