Slaves in Rome might include prisoners of war, sailors captured and sold by pirates, or slaves bought outside Roman territory. In hard times, it was not uncommon for desperate Roman citizens to raise money by selling their children into slavery.
1. Art enabled new understandings in this field= mathematical
2. Credited with being the founder of Renaissance painting in the Netherlands = Jan van Eyck ( he was the founder of early painting from the Netherlands who was active in Bruges)
3. His most famous painting depicts sin and redemption = Hieronymus Bosch ( Dutch painter who represented the early Netherlandish painting school).
4. He brought Germany into the mainstream of Renaissance art = Albrecht Dürer (he was a print maker and best known for his leadership due to woodcut prints).
5. Objects appear to get smaller when this increases = distance
6. Orthogonal line is not this on canvas but are in the world= parallel (the prospect lines leading to the vanishing tip are called as the Orthogonal lines)
7. The single point in a picture where all parallel lines that run from the viewer to the horizon line appear to converge = vanishing
8. The Ghent Altarpiece is this= Polyptych ( a painting which is split into panels or divisions is known as the Polyptych).
Answer:
Buying factors of production from firms.
Explanation: