Which of these events occurred during the Ghana Empire? Timbuktu was developed into a center of learning.
Islam was introduced into the West African region.
Moroccan invaders conquered the empire.
A large amount of technology was developed.

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

currancy

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