Explanation:
"If I Forget Thee, Oh Earth" is the story of Marvin, a child who lives in a lunar colony. One day, his father (who is also the head scientist) drives him across the surface to see a glimpse of Earth, glowing with lethal radiation. Marvin recalls that Earth was made uninhabitable in a nuclear war.
The puzzle piece missing and the unfinished puzzle match up since the missing piece's spot is completely outlined.
The French and Indian War began, over the French and British conflict of who should own the land of the Ohio River Valley. When the British won, they gained control over the Ohio River Valley.