Which two of the following advances did europeans borrow from china

Lateen sail, astrolabe, magnetic compass, rudder, mapmaking skills (Latitude and Longitude), Caravel (let ships sail INTO the wind); All helped with European Exploration; Islamic scholars saved Greek and Roman texts, zero, medical advances, numbers/algebra

gunpowder, and compass

answer; philip morin freneau

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.