Answer:
The answer is Native Americans were unable to win any frontier battles
Hopes it helps!
The new approaches to form that the impressionists introduce were:
-Color theory (in light and nature)
<span>- added brown or black color</span>
-Object shadowing
- <span>'en Plein air' (painting outside)
</span>
as for the post-impressionist, they still adopted these techniques, but they add more emotion and personal insight into their artwork.
Colonial Vulnerability can be seen in the images of
~ wild savages attacking helpless colonists
~ colonists suffering from awful diseases and starvation
~ inhospitable places
