The Vietnam war was in favour of the Northern revolutionary forces. Just after the war, a peace treaty was signed which allows a government to be initiated in the Southern Vietnam, to find out that it has become a puppet government of the North, therefore, Vietnam remained to be a communist state.
Oil paints in tubes development made it possible for the impressionists to paint outside.
The main advantages of oil paints are their flexibility and depth of coloration.
They can be applied in many exclusive ways, from thin glazes diluted with turpentine to dense thick impasto. Due to the fact it is sluggish to dry, artists can preserve running the paint for lots longer than other forms of paint.
The origins of oil painting, as turned into discovered in 2008, date to at least the seventh-century CE, when anonymous artists used oil that can have been extracted from walnuts or poppies to decorate the ancient cave complex in Bamiyan, Afghanistan.
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Answer:
I think it is C. discovery
Explanation:
Discovery is a process by which adversaries obtain trial-related evidence from one another