Answer:
He used humanistic techniques to create realistic portraits of Europeans
Step-by-step explanation:
Humanism was a key element of the Renaissance being used in practice all types of Renaissance art and thought. Hans Holbein, for example, is considered a great Renaissance painter because of his constant ability, humanistic techniques to portray European portraits.
Humanist techniques sought to rescue the classic ideology of art and were efficient in creating perspective through the three-dimensional approach in paintings.