Which of Jan van Eyvks innovations became very influential to future artist

Jan van Eyck, (born before 1395, Maaseik, Bishopric of Liège, Holy Roman Empire [now in Belgium]—died before July 9, 1441, Bruges), Netherlandish painter who perfected the newly developed technique of oil painting.

Sibling: Hubert van Eyck

Artworks: Ghent Altarpiece, Léal Souvenir, Arn...

Died: July 9, 1441, Bruges

Art forms: Painting

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i think it should be slowed colonial western march

1. explain aspects of the democratic process as it was developed in ancient athens

2. trace the roots of the americans political process to ancient athens

3. explain the relationship of citizens to the political process