Because his dad is not okay
I’m not sure if it’s right but I think it’s D I’m not sure :-)
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.
2 houses; the senate and house of representatives
They were driven out by the French army.
I hope this helps!