What made the Allies hesitant to invade Japan's
mainland?

The Japanese were an absolutely ferocious foe. Near the end of the war 99% of their soldier would perish before they surrendered. If they invaded the homeland of Japan, it was estimated over a million Americans at least would die.

so the story tells of someone named kaushik choudhuri, but he does not narrate the story, a girl named hema does. hema tells the story in a second person point of view because you (the reader) are supposed to be the boy named kaushik.

here's an excerpt i found: "i was ushered into the fitting room, your mother watching approvingly as i took off my coat and sweater and tried on the bra."

source:

it increase by 12% a year from 1812-1820