Who were the Moors, and how did they affect Spain during their rule?

The Moors, who derived largely from Arabia and Northern Africa, ruled huge swathes of Southern Spain for seven centuries, and had a widening impact on Spanish culture. The Muslim rule of Medieval Iberia (modern-day Spain) has heavily influenced Spain's language, intellectual culture, and architecture.

Explanation:

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

the answers are a b and d