What was supposed to have occurred in the year 1000?

Consider Petrus Christus's A Goldsmith in His Shop and Amy Sillman's Nut. These two paintings present two very different styles of oil painting. Analyze the works and the stylistic differences between them. 

What will be an ideal response?

What is the function of retablo paintings in Mexico and the American Southwest?

a)  They are a way to give thanks to God. b)  They memorialize someone who has died after a serious illness. c)  They are decorative features in buildings where rituals are held. d)  They are records of cultural traditions and beliefs.