Answer:
required immigrants to undergo questioning.
To cause a source to be biased means that it is influenced by your opinion or another factor that is not factual. Bias can take away from the credibility because it is not completely true, as a source should be.
Answer:
"Orpheus and Eurydice" is a Greek myth in which <em> a bereaved musician named Orpheus travels to the underworld in hopes of reviving his recently deceased wife, Eurydice.</em><em> </em>Orpheus and Eurydice's marriage is doomed from the beginning.