Think about the events below. Which happened first in the history of Magie's game?

Question

Copies of the Landlord's Game multiplied and spread.
Parker Brothers bought the Landlord's Game for 500 U.S. dollars.
Monopoly sold more than 2 million copies in the first two years.
Charles Darrow sold a copy of the game to Parker Brothers.

Answer 1

Copies of the Landlord's Game multiplied and spread.