Because they are!!!
It sometimes is for the right reason, but I do 100% agree that it does seem selfish, I would HATE to have to do that!
For a claim too be effective it must be something effecting another thing, however your using this in an argumentive essay which means you'll need to have a strong opinion about this, lots of knowledge... all informations mut be known.
One HUGE Claim:
Racism & Politics
Pick one of the MANY claims from those too topics and spew your feelings! Ask more questions on my profile, i'll be glad too help!
Plato users, B. the possibility of requiring a wife who could match Adam's social standards is not correct