I'm so sorry! the correct answer is
<span>introduced the exploration of inner self of characters
This will help you
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Answer:
they can make people aware about population to balance , they can utilize their knowledge on development of society, they can participate in different development program etc
In "The feather pillow" by Horacio Quiroga when the parasites don't have a human to feed on they usually are small, they are parasites of feathered creatures. This parasite, in particular, has been feeding on Alicia's blood, that is why it became so monstrous. We learn about this in the last parragraph of the story.