Gouache paints come<span> in many colors and are </span>usually<span> mixed with water to achieve the desired working properties and to control the opacity when dry. ... Also like watercolor, </span>gouache<span> dries to a matte finish. It is similar to acrylic or oil </span>paints<span> in that it is </span>normally used<span> in an opaque painting style.
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Answer:
they make first the outline and start colouring
It was painted as an immediate reaction to the Nazi’s bombing of civilians