It improved technology.
nearly every mosque had a public school in which poor children could be taught and public lamps lighted roads for over ten miles.
A person who lives in Spain is called a Spaniard, or Spanish.
She lives in Spain.
it has improved peoples lives so that they can live.
One recent development that have improved lives is the road network.
Peninsulares
Yes. Glasses have certainly "improved" lives.
They improved lives back then because black slaves didn't have to sit all day grinding up the cotton.
settlement houses improved the lives of poor people in the cities
Isolation
It improved the speed of the making of clothes from cotton and put all the processes for taking seeds out of cotton and other steps under one roof