The reasons to oppose slavery were morality, and the hash treatment of slaves
It is A, because it was only the Soviet and USA. Hope it helps!
In 98 BC Rome expelled all non-Roman citizens (except slaves). It was a time in Rome when the non-Romans were not allowed to stay in the city unless they were slaves. Rome was a place of religion and history no foreign outsiders were allowed.
Life expectancy was next to none and much instruction wasn't required for ladies so they would remain reliant on their spouses. Life expecancy is a factual measure of the normal time a life form is relied upon to live, in light of the time of their introduction to the world, their present age and other statistic factors including sex.