Which of these sentences is most important to include in a summary of this article?

Question

Magie was listed as a "maker of games" in the 1940 census.
Magie designed a square game board that had nine spaces per side.
Magie created a game to show the dangers of a few people hoarding wealth.
Magie was paid only 500 U.S. dollars for the rights to her invented game.

Answer 1

Magie created a game to show the dangers of a few people hoarding wealth.