Constitution, Bill of Rights, and Declaration of Independence
Dogs provide protection for humans and livestock.
Dogs provide companionship for humans in lonesome times.
Some costs of American Slave owners is to maintain slaves and keep them in good health which costs them a lot more expenses assuming they the slave owners don't have barn animals to take care of as well.
The gain (which is basically terrible but please forgive me) is that slave owners get free manual labor as well as other types of horrific workmanship.
<span>She jumped to conclusions. When Margaret got offended, she made a choice not to listen any more because she was sure that the speaker had nothing informative or moral to say, because they had violated her ethical values. However, this was not necessarily true, and Margaret missed out on what might have been a productive lecture as a result.</span>