Answer:
It helped them create more realistic art work
Explanation:
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Irredentism
"Irredentism is any political or popular movement that seeks to claim/reclaim and occupy a land that the movement's members consider to be a "lost" territory from their nation's past. Wikipedia"
The women’s suffrage movement was a decades long fight to win the right to vote for women in the United States. It took activists and reformers nearly 100 years to win that right, and the campaign was not easy; Disagreements over strategy threatened to cripple the movement more than once.
1) Russia, 2) China, 3) North Korea, etc.