It is ela. The punctuation go with the sentence or the grammar would be wrong! Good luck.
While Padmi looks frantically for her pen, her sister calmly writes with it. "While Padmi looks frantically for her pen," cannot stand alone. Using it in "While Padmi looks frantically for her pen, her sister calmly writes with it." makes it dependent on the second part of the sentence.
Answer: What’s the story name
The Industrial Revolution changed the thinking of societies members. It placed the world on the fast track to the most amazing, complex society that could ever be imagined.