A child born in the United States.
The correct answer is theme (A) because of the times in history we can only tell it by the age of the timing.
Explanation:
the velvet divorce was the unofficial name given to the seperation to czechslovakia into slovakia
and the z tech republic in the early 1990s earned because of the peaceful matter it was achieved.
I believe the answer is mid-ocean ridge system
hope this helps ! :D