Break the rule in painting in 19th century

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Short broken stroke

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Unmixed colors

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Painting outdoors

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Strong emotions

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Exaggerated forms

Given the characteristic, identify if it is "Impressionism" or "Expressionism":

Imagination

He is the founder and the father of impressionism.

He painted the famous artwork entitled "Starry Night"