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Are there any other interesting aspects about this article?
In the play, the Danaids, the fifty daughters of Danaus, founder of Argos, flee a forced marriage to their cousins in Egypt.
What happened when they fled?
They turn to King Pelasgus of Argos for protection.
Did he protect them?
Pelasgus refuses until the people of Argos weigh in on the decision, a distinctly democratic move on the part of the king.
Did they make it out alive in the story?
The people decide that the Danaids deserve protection, and they are allowed within the walls of Argos despite Egyptian protests.
Are there more people in the story?
Aegyptus.
What is his part in the story?
Danaus rules Argos.
He negotiates a peace settlement with Aegyptus, as a condition of which, his fifty daughters will marry the fifty sons of Aegyptus.
Was he a good guy in the story?
CANNOTANSWER.
What parts of this article most interested you?
forty-nine of the Danaids killed their husbands as ordered; Hypermnestra, however, loved her husband Lynceus, and thus spared his life and helped him to escape.

Question: Why were they ordered to kill their husbands?
Self-contained rewrite: Why were the Danaids ordered to kill their husbands?